-7+7(7r-1)=-112

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Solution for -7+7(7r-1)=-112 equation:


Simplifying
-7 + 7(7r + -1) = -112

Reorder the terms:
-7 + 7(-1 + 7r) = -112
-7 + (-1 * 7 + 7r * 7) = -112
-7 + (-7 + 49r) = -112

Combine like terms: -7 + -7 = -14
-14 + 49r = -112

Solving
-14 + 49r = -112

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 + 49r = -112 + 14

Combine like terms: -14 + 14 = 0
0 + 49r = -112 + 14
49r = -112 + 14

Combine like terms: -112 + 14 = -98
49r = -98

Divide each side by '49'.
r = -2

Simplifying
r = -2

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