-7(r-4)+8=-34+7r

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Solution for -7(r-4)+8=-34+7r equation:


Simplifying
-7(r + -4) + 8 = -34 + 7r

Reorder the terms:
-7(-4 + r) + 8 = -34 + 7r
(-4 * -7 + r * -7) + 8 = -34 + 7r
(28 + -7r) + 8 = -34 + 7r

Reorder the terms:
28 + 8 + -7r = -34 + 7r

Combine like terms: 28 + 8 = 36
36 + -7r = -34 + 7r

Solving
36 + -7r = -34 + 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.
36 + -7r + -7r = -34 + 7r + -7r

Combine like terms: -7r + -7r = -14r
36 + -14r = -34 + 7r + -7r

Combine like terms: 7r + -7r = 0
36 + -14r = -34 + 0
36 + -14r = -34

Add '-36' to each side of the equation.
36 + -36 + -14r = -34 + -36

Combine like terms: 36 + -36 = 0
0 + -14r = -34 + -36
-14r = -34 + -36

Combine like terms: -34 + -36 = -70
-14r = -70

Divide each side by '-14'.
r = 5

Simplifying
r = 5

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