3x+7=4x-3+15

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


Simplifying
3x + 7 = 4x + -3 + 15

Reorder the terms:
7 + 3x = 4x + -3 + 15

Reorder the terms:
7 + 3x = -3 + 15 + 4x

Combine like terms: -3 + 15 = 12
7 + 3x = 12 + 4x

Solving
7 + 3x = 12 + 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.
7 + 3x + -4x = 12 + 4x + -4x

Combine like terms: 3x + -4x = -1x
7 + -1x = 12 + 4x + -4x

Combine like terms: 4x + -4x = 0
7 + -1x = 12 + 0
7 + -1x = 12

Add '-7' to each side of the equation.
7 + -7 + -1x = 12 + -7

Combine like terms: 7 + -7 = 0
0 + -1x = 12 + -7
-1x = 12 + -7

Combine like terms: 12 + -7 = 5
-1x = 5

Divide each side by '-1'.
x = -5

Simplifying
x = -5

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