3x+2+5x=15+4x-4+7

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Solution for 3x+2+5x=15+4x-4+7 equation:


Simplifying
3x + 2 + 5x = 15 + 4x + -4 + 7

Reorder the terms:
2 + 3x + 5x = 15 + 4x + -4 + 7

Combine like terms: 3x + 5x = 8x
2 + 8x = 15 + 4x + -4 + 7

Reorder the terms:
2 + 8x = 15 + -4 + 7 + 4x

Combine like terms: 15 + -4 = 11
2 + 8x = 11 + 7 + 4x

Combine like terms: 11 + 7 = 18
2 + 8x = 18 + 4x

Solving
2 + 8x = 18 + 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.
2 + 8x + -4x = 18 + 4x + -4x

Combine like terms: 8x + -4x = 4x
2 + 4x = 18 + 4x + -4x

Combine like terms: 4x + -4x = 0
2 + 4x = 18 + 0
2 + 4x = 18

Add '-2' to each side of the equation.
2 + -2 + 4x = 18 + -2

Combine like terms: 2 + -2 = 0
0 + 4x = 18 + -2
4x = 18 + -2

Combine like terms: 18 + -2 = 16
4x = 16

Divide each side by '4'.
x = 4

Simplifying
x = 4

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