28+8r=-7(r-3)+7

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Solution for 28+8r=-7(r-3)+7 equation:


Simplifying
28 + 8r = -7(r + -3) + 7

Reorder the terms:
28 + 8r = -7(-3 + r) + 7
28 + 8r = (-3 * -7 + r * -7) + 7
28 + 8r = (21 + -7r) + 7

Reorder the terms:
28 + 8r = 21 + 7 + -7r

Combine like terms: 21 + 7 = 28
28 + 8r = 28 + -7r

Add '-28' to each side of the equation.
28 + -28 + 8r = 28 + -28 + -7r

Combine like terms: 28 + -28 = 0
0 + 8r = 28 + -28 + -7r
8r = 28 + -28 + -7r

Combine like terms: 28 + -28 = 0
8r = 0 + -7r
8r = -7r

Solving
8r = -7r

Solving for variable 'r'.

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

Add '7r' to each side of the equation.
8r + 7r = -7r + 7r

Combine like terms: 8r + 7r = 15r
15r = -7r + 7r

Combine like terms: -7r + 7r = 0
15r = 0

Divide each side by '15'.
r = 0

Simplifying
r = 0

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