4(3+x)=8-5(1+x)

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Solution for 4(3+x)=8-5(1+x) equation: 


Simplifying
4(3 + x) = 8 + -5(1 + x)
(3 * 4 + x * 4) = 8 + -5(1 + x)
(12 + 4x) = 8 + -5(1 + x)
12 + 4x = 8 + (1 * -5 + x * -5)
12 + 4x = 8 + (-5 + -5x)

Combine like terms: 8 + -5 = 3
12 + 4x = 3 + -5x

Solving
12 + 4x = 3 + -5x

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '5x' to each side of the equation.
12 + 4x + 5x = 3 + -5x + 5x

Combine like terms: 4x + 5x = 9x
12 + 9x = 3 + -5x + 5x

Combine like terms: -5x + 5x = 0
12 + 9x = 3 + 0
12 + 9x = 3

Add '-12' to each side of the equation.
12 + -12 + 9x = 3 + -12

Combine like terms: 12 + -12 = 0
0 + 9x = 3 + -12
9x = 3 + -12

Combine like terms: 3 + -12 = -9
9x = -9

Divide each side by '9'.
x = -1

Simplifying
x = -1

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