28=-4(2x+7)

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Solution for 28=-4(2x+7) equation:


Simplifying
28 = -4(2x + 7)

Reorder the terms:
28 = -4(7 + 2x)
28 = (7 * -4 + 2x * -4)
28 = (-28 + -8x)

Solving
28 = -28 + -8x

Solving for variable 'x'.

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

Add '8x' to each side of the equation.
28 + 8x = -28 + -8x + 8x

Combine like terms: -8x + 8x = 0
28 + 8x = -28 + 0
28 + 8x = -28

Add '-28' to each side of the equation.
28 + -28 + 8x = -28 + -28

Combine like terms: 28 + -28 = 0
0 + 8x = -28 + -28
8x = -28 + -28

Combine like terms: -28 + -28 = -56
8x = -56

Divide each side by '8'.
x = -7

Simplifying
x = -7

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