# How do you solve #m/2-7>4#?

##### 2 Answers

Feb 28, 2016

#### Explanation:

Add 7 to both sides.

Simplify.

Multiply both sides by 2.

Simplify.

Feb 28, 2016

#### Explanation:

Given:

You treat this like a normal equation. There is one 'trap' however. If the whole thing is multiplied by a negative number the inequality is turned round the other way.

For example: It is true that

Now consider the incorrect calculation of:

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Add 7 to both sides giving

Multiply both sides by 2 giving

But

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