# Pre-Algebra

posted by .

5h – 9 = –16 + 6h

Answer Choices:

4
–7
7
10

I need a step-by-step response cause I'm having a hard time understanding.

• Pre-Algebra -

5 h – 9 = – 16 + 6 h Add 9 to both sides

5 h – 9 + 9 = – 16 + 6h + 9

5 h = – 7 + 6h Subtract 5 h to both sides

5 h - 5 h = - 7 + 6 h - 5 h

0 = - 7 + h Add 7 to both sides

0 + 7 = - 7 + h + 7

7 = h

h = 7

Proof :

5 h – 9 = – 16 + 6 h

5 * 7 - 9 = - 16 + 6 * 7

35 - 9 = - 16 + 42

26 = 26

• Pre-Algebra -

Thank you, this makes a lot of sense.

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