-4(5x+7)=12

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Solution for -4(5x+7)=12 equation:


Simplifying
-4(5x + 7) = 12

Reorder the terms:
-4(7 + 5x) = 12
(7 * -4 + 5x * -4) = 12
(-28 + -20x) = 12

Solving
-28 + -20x = 12

Solving for variable 'x'.

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

Add '28' to each side of the equation.
-28 + 28 + -20x = 12 + 28

Combine like terms: -28 + 28 = 0
0 + -20x = 12 + 28
-20x = 12 + 28

Combine like terms: 12 + 28 = 40
-20x = 40

Divide each side by '-20'.
x = -2

Simplifying
x = -2

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