117=r+8

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Solution for 117=r+8 equation:


Simplifying
117 = r + 8

Reorder the terms:
117 = 8 + r

Solving
117 = 8 + r

Solving for variable 'r'.

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

Add '-1r' to each side of the equation.
117 + -1r = 8 + r + -1r

Combine like terms: r + -1r = 0
117 + -1r = 8 + 0
117 + -1r = 8

Add '-117' to each side of the equation.
117 + -117 + -1r = 8 + -117

Combine like terms: 117 + -117 = 0
0 + -1r = 8 + -117
-1r = 8 + -117

Combine like terms: 8 + -117 = -109
-1r = -109

Divide each side by '-1'.
r = 109

Simplifying
r = 109

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