3(x+5)+7=2(x-8)-4x

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Solution for 3(x+5)+7=2(x-8)-4x equation:


Simplifying
3(x + 5) + 7 = 2(x + -8) + -4x

Reorder the terms:
3(5 + x) + 7 = 2(x + -8) + -4x
(5 * 3 + x * 3) + 7 = 2(x + -8) + -4x
(15 + 3x) + 7 = 2(x + -8) + -4x

Reorder the terms:
15 + 7 + 3x = 2(x + -8) + -4x

Combine like terms: 15 + 7 = 22
22 + 3x = 2(x + -8) + -4x

Reorder the terms:
22 + 3x = 2(-8 + x) + -4x
22 + 3x = (-8 * 2 + x * 2) + -4x
22 + 3x = (-16 + 2x) + -4x

Combine like terms: 2x + -4x = -2x
22 + 3x = -16 + -2x

Solving
22 + 3x = -16 + -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.
22 + 3x + 2x = -16 + -2x + 2x

Combine like terms: 3x + 2x = 5x
22 + 5x = -16 + -2x + 2x

Combine like terms: -2x + 2x = 0
22 + 5x = -16 + 0
22 + 5x = -16

Add '-22' to each side of the equation.
22 + -22 + 5x = -16 + -22

Combine like terms: 22 + -22 = 0
0 + 5x = -16 + -22
5x = -16 + -22

Combine like terms: -16 + -22 = -38
5x = -38

Divide each side by '5'.
x = -7.6

Simplifying
x = -7.6

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