100=-4(7+4x)

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


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

Solving
100 = -28 + -16x

Solving for variable 'x'.

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

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

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

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

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

Combine like terms: -28 + -100 = -128
16x = -128

Divide each side by '16'.
x = -8

Simplifying
x = -8

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