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

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


Simplifying
3(2x + 5) + -1x = 4x + 7

Reorder the terms:
3(5 + 2x) + -1x = 4x + 7
(5 * 3 + 2x * 3) + -1x = 4x + 7
(15 + 6x) + -1x = 4x + 7

Combine like terms: 6x + -1x = 5x
15 + 5x = 4x + 7

Reorder the terms:
15 + 5x = 7 + 4x

Solving
15 + 5x = 7 + 4x

Solving for variable 'x'.

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

Add '-4x' to each side of the equation.
15 + 5x + -4x = 7 + 4x + -4x

Combine like terms: 5x + -4x = 1x
15 + 1x = 7 + 4x + -4x

Combine like terms: 4x + -4x = 0
15 + 1x = 7 + 0
15 + 1x = 7

Add '-15' to each side of the equation.
15 + -15 + 1x = 7 + -15

Combine like terms: 15 + -15 = 0
0 + 1x = 7 + -15
1x = 7 + -15

Combine like terms: 7 + -15 = -8
1x = -8

Divide each side by '1'.
x = -8

Simplifying
x = -8

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