28+5r=-7(8r-4)

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Solution for 28+5r=-7(8r-4) equation:


Simplifying
28 + 5r = -7(8r + -4)

Reorder the terms:
28 + 5r = -7(-4 + 8r)
28 + 5r = (-4 * -7 + 8r * -7)
28 + 5r = (28 + -56r)

Add '-28' to each side of the equation.
28 + -28 + 5r = 28 + -28 + -56r

Combine like terms: 28 + -28 = 0
0 + 5r = 28 + -28 + -56r
5r = 28 + -28 + -56r

Combine like terms: 28 + -28 = 0
5r = 0 + -56r
5r = -56r

Solving
5r = -56r

Solving for variable 'r'.

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

Add '56r' to each side of the equation.
5r + 56r = -56r + 56r

Combine like terms: 5r + 56r = 61r
61r = -56r + 56r

Combine like terms: -56r + 56r = 0
61r = 0

Divide each side by '61'.
r = 0

Simplifying
r = 0

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