Question

Solve for x using

cross multiplication.
4x - 4
4x - 4
7
x + 3
x = [?]

Answer 1

answer is 1
x=1 hope this helps

Answer 2

x = 29

Explanation:

Multiply both sides by 7:

`4x-4=(7x+21)/(2)`

Multiply both sides by 2:

`8x-8 = 7x+21`

Subtract 7x from both sides:

`x-8=21`

Add 8 to both sides

`x=29`