7(r-2)+3r=-134

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Solution for 7(r-2)+3r=-134 equation:


Simplifying
7(r + -2) + 3r = -134

Reorder the terms:
7(-2 + r) + 3r = -134
(-2 * 7 + r * 7) + 3r = -134
(-14 + 7r) + 3r = -134

Combine like terms: 7r + 3r = 10r
-14 + 10r = -134

Solving
-14 + 10r = -134

Solving for variable 'r'.

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

Add '14' to each side of the equation.
-14 + 14 + 10r = -134 + 14

Combine like terms: -14 + 14 = 0
0 + 10r = -134 + 14
10r = -134 + 14

Combine like terms: -134 + 14 = -120
10r = -120

Divide each side by '10'.
r = -12

Simplifying
r = -12

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