3x+7+4x=7+8+4x+x

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Solution for 3x+7+4x=7+8+4x+x equation:


Simplifying
3x + 7 + 4x = 7 + 8 + 4x + x

Reorder the terms:
7 + 3x + 4x = 7 + 8 + 4x + x

Combine like terms: 3x + 4x = 7x
7 + 7x = 7 + 8 + 4x + x

Combine like terms: 7 + 8 = 15
7 + 7x = 15 + 4x + x

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

Solving
7 + 7x = 15 + 5x

Solving for variable 'x'.

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

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

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

Combine like terms: 5x + -5x = 0
7 + 2x = 15 + 0
7 + 2x = 15

Add '-7' to each side of the equation.
7 + -7 + 2x = 15 + -7

Combine like terms: 7 + -7 = 0
0 + 2x = 15 + -7
2x = 15 + -7

Combine like terms: 15 + -7 = 8
2x = 8

Divide each side by '2'.
x = 4

Simplifying
x = 4

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