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-9x + 3 = -7x - 15 what is the answer to this? And the work to get the answer

1 Answer

5 votes

Answer:

9/8

Step-by-step explanation:

Subtract 3 from both sides

-9x+3=-7x-15

-9x=3-3=7x-15-3

then simply

-9x=7x-18

subtract 7 from both sides

-9x=7x-18

-9x-7=7x-18-7x

combine like terms

-16x= -18

Divide both sides

-16 = -18

-16 -16

x=9/8

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