(2x-2)+(7x+21)=

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Solution for (2x-2)+(7x+21)= equation:


Simplifying
(2x + -2) + (7x + 21) = 0

Reorder the terms:
(-2 + 2x) + (7x + 21) = 0

Remove parenthesis around (-2 + 2x)
-2 + 2x + (7x + 21) = 0

Reorder the terms:
-2 + 2x + (21 + 7x) = 0

Remove parenthesis around (21 + 7x)
-2 + 2x + 21 + 7x = 0

Reorder the terms:
-2 + 21 + 2x + 7x = 0

Combine like terms: -2 + 21 = 19
19 + 2x + 7x = 0

Combine like terms: 2x + 7x = 9x
19 + 9x = 0

Solving
19 + 9x = 0

Solving for variable 'x'.

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

Add '-19' to each side of the equation.
19 + -19 + 9x = 0 + -19

Combine like terms: 19 + -19 = 0
0 + 9x = 0 + -19
9x = 0 + -19

Combine like terms: 0 + -19 = -19
9x = -19

Divide each side by '9'.
x = -2.111111111

Simplifying
x = -2.111111111

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