3(x+4)-7=15-2x

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Solution for 3(x+4)-7=15-2x equation:


Simplifying
3(x + 4) + -7 = 15 + -2x

Reorder the terms:
3(4 + x) + -7 = 15 + -2x
(4 * 3 + x * 3) + -7 = 15 + -2x
(12 + 3x) + -7 = 15 + -2x

Reorder the terms:
12 + -7 + 3x = 15 + -2x

Combine like terms: 12 + -7 = 5
5 + 3x = 15 + -2x

Solving
5 + 3x = 15 + -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.
5 + 3x + 2x = 15 + -2x + 2x

Combine like terms: 3x + 2x = 5x
5 + 5x = 15 + -2x + 2x

Combine like terms: -2x + 2x = 0
5 + 5x = 15 + 0
5 + 5x = 15

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

Combine like terms: 5 + -5 = 0
0 + 5x = 15 + -5
5x = 15 + -5

Combine like terms: 15 + -5 = 10
5x = 10

Divide each side by '5'.
x = 2

Simplifying
x = 2

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