-2(x-4)+7=20

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Solution for -2(x-4)+7=20 equation:


Simplifying
-2(x + -4) + 7 = 20

Reorder the terms:
-2(-4 + x) + 7 = 20
(-4 * -2 + x * -2) + 7 = 20
(8 + -2x) + 7 = 20

Reorder the terms:
8 + 7 + -2x = 20

Combine like terms: 8 + 7 = 15
15 + -2x = 20

Solving
15 + -2x = 20

Solving for variable 'x'.

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

Add '-15' to each side of the equation.
15 + -15 + -2x = 20 + -15

Combine like terms: 15 + -15 = 0
0 + -2x = 20 + -15
-2x = 20 + -15

Combine like terms: 20 + -15 = 5
-2x = 5

Divide each side by '-2'.
x = -2.5

Simplifying
x = -2.5

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