-4(2x+9)=20

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Solution for -4(2x+9)=20 equation:


Simplifying
-4(2x + 9) = 20

Reorder the terms:
-4(9 + 2x) = 20
(9 * -4 + 2x * -4) = 20
(-36 + -8x) = 20

Solving
-36 + -8x = 20

Solving for variable 'x'.

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

Add '36' to each side of the equation.
-36 + 36 + -8x = 20 + 36

Combine like terms: -36 + 36 = 0
0 + -8x = 20 + 36
-8x = 20 + 36

Combine like terms: 20 + 36 = 56
-8x = 56

Divide each side by '-8'.
x = -7

Simplifying
x = -7

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