4(x+1)+9=2(3x-4)+x

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Solution for 4(x+1)+9=2(3x-4)+x equation:


Simplifying
4(x + 1) + 9 = 2(3x + -4) + x

Reorder the terms:
4(1 + x) + 9 = 2(3x + -4) + x
(1 * 4 + x * 4) + 9 = 2(3x + -4) + x
(4 + 4x) + 9 = 2(3x + -4) + x

Reorder the terms:
4 + 9 + 4x = 2(3x + -4) + x

Combine like terms: 4 + 9 = 13
13 + 4x = 2(3x + -4) + x

Reorder the terms:
13 + 4x = 2(-4 + 3x) + x
13 + 4x = (-4 * 2 + 3x * 2) + x
13 + 4x = (-8 + 6x) + x

Combine like terms: 6x + x = 7x
13 + 4x = -8 + 7x

Solving
13 + 4x = -8 + 7x

Solving for variable 'x'.

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

Add '-7x' to each side of the equation.
13 + 4x + -7x = -8 + 7x + -7x

Combine like terms: 4x + -7x = -3x
13 + -3x = -8 + 7x + -7x

Combine like terms: 7x + -7x = 0
13 + -3x = -8 + 0
13 + -3x = -8

Add '-13' to each side of the equation.
13 + -13 + -3x = -8 + -13

Combine like terms: 13 + -13 = 0
0 + -3x = -8 + -13
-3x = -8 + -13

Combine like terms: -8 + -13 = -21
-3x = -21

Divide each side by '-3'.
x = 7

Simplifying
x = 7

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