3(4x+5)-7=5(3x+1)-4x

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Solution for 3(4x+5)-7=5(3x+1)-4x equation:


Simplifying
3(4x + 5) + -7 = 5(3x + 1) + -4x

Reorder the terms:
3(5 + 4x) + -7 = 5(3x + 1) + -4x
(5 * 3 + 4x * 3) + -7 = 5(3x + 1) + -4x
(15 + 12x) + -7 = 5(3x + 1) + -4x

Reorder the terms:
15 + -7 + 12x = 5(3x + 1) + -4x

Combine like terms: 15 + -7 = 8
8 + 12x = 5(3x + 1) + -4x

Reorder the terms:
8 + 12x = 5(1 + 3x) + -4x
8 + 12x = (1 * 5 + 3x * 5) + -4x
8 + 12x = (5 + 15x) + -4x

Combine like terms: 15x + -4x = 11x
8 + 12x = 5 + 11x

Solving
8 + 12x = 5 + 11x

Solving for variable 'x'.

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

Add '-11x' to each side of the equation.
8 + 12x + -11x = 5 + 11x + -11x

Combine like terms: 12x + -11x = 1x
8 + 1x = 5 + 11x + -11x

Combine like terms: 11x + -11x = 0
8 + 1x = 5 + 0
8 + 1x = 5

Add '-8' to each side of the equation.
8 + -8 + 1x = 5 + -8

Combine like terms: 8 + -8 = 0
0 + 1x = 5 + -8
1x = 5 + -8

Combine like terms: 5 + -8 = -3
1x = -3

Divide each side by '1'.
x = -3

Simplifying
x = -3

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