gracepalomo19 gracepalomo19

06-11-2019
Mathematics

contestada

I want to know what

3 + 4x = -13 - 4x

Respuesta :

ellathedinowizard ellathedinowizard

06-11-2019

Solution: x= -2

to solve for x:

3+4x=-13-4x

move variable to the left side and change its sign.

move constant to the right side and change its sign.

collect like terms

calculate the difference

divide both sids by 8

solution: x=-2

Answer Link

06-11-2019

3 + 4x + 13= -14x
4x + 16 = -14x
16 = -14x - 4x
16 = -18x
- 16/18 x
-8/ 9 = x
x = -9/8

Answer Link

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