2x+5-7x=12-3(4x+5)

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Solution for 2x+5-7x=12-3(4x+5) equation:


Simplifying
2x + 5 + -7x = 12 + -3(4x + 5)

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

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

Reorder the terms:
5 + -5x = 12 + -3(5 + 4x)
5 + -5x = 12 + (5 * -3 + 4x * -3)
5 + -5x = 12 + (-15 + -12x)

Combine like terms: 12 + -15 = -3
5 + -5x = -3 + -12x

Solving
5 + -5x = -3 + -12x

Solving for variable 'x'.

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

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

Combine like terms: -5x + 12x = 7x
5 + 7x = -3 + -12x + 12x

Combine like terms: -12x + 12x = 0
5 + 7x = -3 + 0
5 + 7x = -3

Add '-5' to each side of the equation.
5 + -5 + 7x = -3 + -5

Combine like terms: 5 + -5 = 0
0 + 7x = -3 + -5
7x = -3 + -5

Combine like terms: -3 + -5 = -8
7x = -8

Divide each side by '7'.
x = -1.142857143

Simplifying
x = -1.142857143

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