-7r+4=8+8-r

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Solution for -7r+4=8+8-r equation:


Simplifying
-7r + 4 = 8 + 8 + -1r

Reorder the terms:
4 + -7r = 8 + 8 + -1r

Combine like terms: 8 + 8 = 16
4 + -7r = 16 + -1r

Solving
4 + -7r = 16 + -1r

Solving for variable 'r'.

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

Add 'r' to each side of the equation.
4 + -7r + r = 16 + -1r + r

Combine like terms: -7r + r = -6r
4 + -6r = 16 + -1r + r

Combine like terms: -1r + r = 0
4 + -6r = 16 + 0
4 + -6r = 16

Add '-4' to each side of the equation.
4 + -4 + -6r = 16 + -4

Combine like terms: 4 + -4 = 0
0 + -6r = 16 + -4
-6r = 16 + -4

Combine like terms: 16 + -4 = 12
-6r = 12

Divide each side by '-6'.
r = -2

Simplifying
r = -2

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