20=4(x+7)-2

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


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

Reorder the terms:
20 = 4(7 + x) + -2
20 = (7 * 4 + x * 4) + -2
20 = (28 + 4x) + -2

Reorder the terms:
20 = 28 + -2 + 4x

Combine like terms: 28 + -2 = 26
20 = 26 + 4x

Solving
20 = 26 + 4x

Solving for variable 'x'.

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

Add '-4x' to each side of the equation.
20 + -4x = 26 + 4x + -4x

Combine like terms: 4x + -4x = 0
20 + -4x = 26 + 0
20 + -4x = 26

Add '-20' to each side of the equation.
20 + -20 + -4x = 26 + -20

Combine like terms: 20 + -20 = 0
0 + -4x = 26 + -20
-4x = 26 + -20

Combine like terms: 26 + -20 = 6
-4x = 6

Divide each side by '-4'.
x = -1.5

Simplifying
x = -1.5

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