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

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


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

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

Combine like terms: 7 + 7 = 14
14 + 3x + 3x = 4x + -2 + 4x + -2

Combine like terms: 3x + 3x = 6x
14 + 6x = 4x + -2 + 4x + -2

Reorder the terms:
14 + 6x = -2 + -2 + 4x + 4x

Combine like terms: -2 + -2 = -4
14 + 6x = -4 + 4x + 4x

Combine like terms: 4x + 4x = 8x
14 + 6x = -4 + 8x

Solving
14 + 6x = -4 + 8x

Solving for variable 'x'.

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

Add '-8x' to each side of the equation.
14 + 6x + -8x = -4 + 8x + -8x

Combine like terms: 6x + -8x = -2x
14 + -2x = -4 + 8x + -8x

Combine like terms: 8x + -8x = 0
14 + -2x = -4 + 0
14 + -2x = -4

Add '-14' to each side of the equation.
14 + -14 + -2x = -4 + -14

Combine like terms: 14 + -14 = 0
0 + -2x = -4 + -14
-2x = -4 + -14

Combine like terms: -4 + -14 = -18
-2x = -18

Divide each side by '-2'.
x = 9

Simplifying
x = 9

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