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

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


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

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

Combine like terms: 12x + -7x = 5x
15 + 5x = x

Solving
15 + 5x = x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
15 + 5x + -1x = x + -1x

Combine like terms: 5x + -1x = 4x
15 + 4x = x + -1x

Combine like terms: x + -1x = 0
15 + 4x = 0

Add '-15' to each side of the equation.
15 + -15 + 4x = 0 + -15

Combine like terms: 15 + -15 = 0
0 + 4x = 0 + -15
4x = 0 + -15

Combine like terms: 0 + -15 = -15
4x = -15

Divide each side by '4'.
x = -3.75

Simplifying
x = -3.75

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