7(x+3)+2(x+3)=7x-7

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Solution for 7(x+3)+2(x+3)=7x-7 equation:


Simplifying
7(x + 3) + 2(x + 3) = 7x + -7

Reorder the terms:
7(3 + x) + 2(x + 3) = 7x + -7
(3 * 7 + x * 7) + 2(x + 3) = 7x + -7
(21 + 7x) + 2(x + 3) = 7x + -7

Reorder the terms:
21 + 7x + 2(3 + x) = 7x + -7
21 + 7x + (3 * 2 + x * 2) = 7x + -7
21 + 7x + (6 + 2x) = 7x + -7

Reorder the terms:
21 + 6 + 7x + 2x = 7x + -7

Combine like terms: 21 + 6 = 27
27 + 7x + 2x = 7x + -7

Combine like terms: 7x + 2x = 9x
27 + 9x = 7x + -7

Reorder the terms:
27 + 9x = -7 + 7x

Solving
27 + 9x = -7 + 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.
27 + 9x + -7x = -7 + 7x + -7x

Combine like terms: 9x + -7x = 2x
27 + 2x = -7 + 7x + -7x

Combine like terms: 7x + -7x = 0
27 + 2x = -7 + 0
27 + 2x = -7

Add '-27' to each side of the equation.
27 + -27 + 2x = -7 + -27

Combine like terms: 27 + -27 = 0
0 + 2x = -7 + -27
2x = -7 + -27

Combine like terms: -7 + -27 = -34
2x = -34

Divide each side by '2'.
x = -17

Simplifying
x = -17

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