3 years ago

-(7x-8) = 9x - 4 solve for x

Mathematics

2 answers:

Maslowich3 years ago

7 0

Answer:

-(7x-8)=9x-4

We move all terms to the left:

-(7x-8)-(9x-4)=0

We get rid of parentheses

-7x-9x+8+4=0

We add all the numbers together, and all the variables

-16x+12=0

We move all terms containing x to the left, all other terms to the right

-16x=-12

x=-12/-16

x=3/4

tiny-mole [99]3 years ago

3 0

-(7x-8)=9x-4 is the right answer

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