2(x+2)=7(x-1)-9

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Solution for 2(x+2)=7(x-1)-9 equation:


Simplifying
2(x + 2) = 7(x + -1) + -9

Reorder the terms:
2(2 + x) = 7(x + -1) + -9
(2 * 2 + x * 2) = 7(x + -1) + -9
(4 + 2x) = 7(x + -1) + -9

Reorder the terms:
4 + 2x = 7(-1 + x) + -9
4 + 2x = (-1 * 7 + x * 7) + -9
4 + 2x = (-7 + 7x) + -9

Reorder the terms:
4 + 2x = -7 + -9 + 7x

Combine like terms: -7 + -9 = -16
4 + 2x = -16 + 7x

Solving
4 + 2x = -16 + 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.
4 + 2x + -7x = -16 + 7x + -7x

Combine like terms: 2x + -7x = -5x
4 + -5x = -16 + 7x + -7x

Combine like terms: 7x + -7x = 0
4 + -5x = -16 + 0
4 + -5x = -16

Add '-4' to each side of the equation.
4 + -4 + -5x = -16 + -4

Combine like terms: 4 + -4 = 0
0 + -5x = -16 + -4
-5x = -16 + -4

Combine like terms: -16 + -4 = -20
-5x = -20

Divide each side by '-5'.
x = 4

Simplifying
x = 4

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