Question

Solve for x. Just give the equations.

Answer 1

15) x=9 16) x=7

Explanation:

19(2)=5x-7

38=5x-7

5x=38+7

5x=45

x=45/5

x=9

-----------------

3x+3=4x-4

3=4x-3x-4

3=x-4

x=3+4

x=7

Answer 2

15.

`FH=2\cdot UH\\\\5x-7=2\cdot19\\\\5x=38+7\\\\5x=45\quad|:5\\\\\boxed{x=9}`

16.

`KU=UM\\\\3x+3=4x-4\\\\4x-3x=3+4\\\\\boxed{x=7}`