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

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


Simplifying
-4(-7 + 7) = -1(-20 + -4x)

Combine like terms: -7 + 7 = 0
-4(0) = -1(-20 + -4x)

Multiply -4 * 0
0 = -1(-20 + -4x)

Anything times zero is zero.
0 = -1(-20 + -4x)
0 = (-20 * -1 + -4x * -1)
0 = (20 + 4x)

Solving
0 = 20 + 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.
0 + -4x = 20 + 4x + -4x
Remove the zero:
-4x = 20 + 4x + -4x

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

Divide each side by '-4'.
x = -5

Simplifying
x = -5

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