-40=-4(x-10)

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Solution for -40=-4(x-10) equation:


Simplifying
-40 = -4(x + -10)

Reorder the terms:
-40 = -4(-10 + x)
-40 = (-10 * -4 + x * -4)
-40 = (40 + -4x)

Solving
-40 = 40 + -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.
-40 + 4x = 40 + -4x + 4x

Combine like terms: -4x + 4x = 0
-40 + 4x = 40 + 0
-40 + 4x = 40

Add '40' to each side of the equation.
-40 + 40 + 4x = 40 + 40

Combine like terms: -40 + 40 = 0
0 + 4x = 40 + 40
4x = 40 + 40

Combine like terms: 40 + 40 = 80
4x = 80

Divide each side by '4'.
x = 20

Simplifying
x = 20

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