4(-5x-9)=64

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Solution for 4(-5x-9)=64 equation:


Simplifying
4(-5x + -9) = 64

Reorder the terms:
4(-9 + -5x) = 64
(-9 * 4 + -5x * 4) = 64
(-36 + -20x) = 64

Solving
-36 + -20x = 64

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 + -20x = 64 + 36

Combine like terms: -36 + 36 = 0
0 + -20x = 64 + 36
-20x = 64 + 36

Combine like terms: 64 + 36 = 100
-20x = 100

Divide each side by '-20'.
x = -5

Simplifying
x = -5

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