2(x-1)+7x=-20

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Solution for 2(x-1)+7x=-20 equation:


Simplifying
2(x + -1) + 7x = -20

Reorder the terms:
2(-1 + x) + 7x = -20
(-1 * 2 + x * 2) + 7x = -20
(-2 + 2x) + 7x = -20

Combine like terms: 2x + 7x = 9x
-2 + 9x = -20

Solving
-2 + 9x = -20

Solving for variable 'x'.

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

Add '2' to each side of the equation.
-2 + 2 + 9x = -20 + 2

Combine like terms: -2 + 2 = 0
0 + 9x = -20 + 2
9x = -20 + 2

Combine like terms: -20 + 2 = -18
9x = -18

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

Simplifying
x = -2

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