3(x+4)+5x=-7+2(x-4)

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Solution for 3(x+4)+5x=-7+2(x-4) equation:


Simplifying
3(x + 4) + 5x = -7 + 2(x + -4)

Reorder the terms:
3(4 + x) + 5x = -7 + 2(x + -4)
(4 * 3 + x * 3) + 5x = -7 + 2(x + -4)
(12 + 3x) + 5x = -7 + 2(x + -4)

Combine like terms: 3x + 5x = 8x
12 + 8x = -7 + 2(x + -4)

Reorder the terms:
12 + 8x = -7 + 2(-4 + x)
12 + 8x = -7 + (-4 * 2 + x * 2)
12 + 8x = -7 + (-8 + 2x)

Combine like terms: -7 + -8 = -15
12 + 8x = -15 + 2x

Solving
12 + 8x = -15 + 2x

Solving for variable 'x'.

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

Add '-2x' to each side of the equation.
12 + 8x + -2x = -15 + 2x + -2x

Combine like terms: 8x + -2x = 6x
12 + 6x = -15 + 2x + -2x

Combine like terms: 2x + -2x = 0
12 + 6x = -15 + 0
12 + 6x = -15

Add '-12' to each side of the equation.
12 + -12 + 6x = -15 + -12

Combine like terms: 12 + -12 = 0
0 + 6x = -15 + -12
6x = -15 + -12

Combine like terms: -15 + -12 = -27
6x = -27

Divide each side by '6'.
x = -4.5

Simplifying
x = -4.5

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