100=-4(-4+7x)

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Solution for 100=-4(-4+7x) equation: 


Simplifying
100 = -4(-4 + 7x)
100 = (-4 * -4 + 7x * -4)
100 = (16 + -28x)

Solving
100 = 16 + -28x

Solving for variable 'x'.

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

Add '28x' to each side of the equation.
100 + 28x = 16 + -28x + 28x

Combine like terms: -28x + 28x = 0
100 + 28x = 16 + 0
100 + 28x = 16

Add '-100' to each side of the equation.
100 + -100 + 28x = 16 + -100

Combine like terms: 100 + -100 = 0
0 + 28x = 16 + -100
28x = 16 + -100

Combine like terms: 16 + -100 = -84
28x = -84

Divide each side by '28'.
x = -3

Simplifying
x = -3

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