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How to Solve Inequalities

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In this page we are going to discuss about solving inequalities concept . Math problems contain ,= are called How to Solve Inequalities of inequalities are a set of two or more inequalities with the same variables. An inequality says that two values are not equal. a ? b says that a is not equal to b for example, * a < b says that a is less than b. * a > b says that a is greater than b. * a ? b means that a is less than or equal to b. * a ? b means that a is greater than or equal to b. Solving algebra inequalities Below are the examples on solving algebra inequalities - How to Solve Inequalities Example 1: Solve for4(x+1) =-2,-20x>=-10. Step 5: x>= -2/4, x>=-10/20.
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How to Solve Inequalities
In this page we are going to discuss about solving inequalities concept . Math problems contain <,>,<= and >= are
called How to Solve Inequalities of inequalities are a set of two or more inequalities with the same variables. An
inequality says that two values are not equal. a ? b says that a is not equal to b for example,
* a < b says that a is less than b.
* a > b says that a is greater than b.
* a ? b means that a is less than or equal to b.
* a ? b means that a is greater than or equal to b.
Solving algebra inequalities
Below are the examples on solving algebra inequalities - How to Solve Inequalities
Example 1:
Solve for4(x+1) <2x+3
Sol:
Step 1: It can be written as 4x+4<2x+3. (Subtract 2x on both the sides)
Step 2: 4x+4-2x<2x-2x+3.
Step 3:2x+4<3 (subtract 4 on both the sides)
Step 4: 2x+4-4<3-4.
Step 5: 2x<-1 .so x= -1/2.
Example 2:
Solve for (4x+2) (10-20x)>=0
Solution:
Step 1: It can be written as (4x+2)>=0, (10-20x)>=0.
Step 2: Now we need to solve x
Step 3: So 4x>=-2, 10-20x>=0.

Step 4: 4x>=-2,-20x>=-10.
Step 5: x>= -2/4, x>=-10/20.

Example 4:
Solve for 9x-72 >0.
Solution:
Step 1: Here also we need to solve x.
Step 2: So, 9x >72.
Step 3: Now we need to divide using 9 on both the sides. How to Solve Inequalities
Step 4: When we divide we get x>8.
Solving inequalities word problems
Below are the examples on solving inequalities word problems -
Given:
Suppose a bangle cost 19a earrings14.Write an inequality to find how many earrings you
can buy along with one bangle if you have \$65to spend.
Sol:
Step 1: the earrings cost & 14 each .so the total cost will be 14*#of earrings(x).
Step 2: Cost of 1 bangle + (14 #of earrings) must be \$65.
Step 3: So it can be written as 19+14x to 65
Step 4:14x 65-19
Step 5: so the equation is 14x 46.

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