7+10r=77

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Solution for 7+10r=77 equation: 


Simplifying
7 + 10r = 77

Solving
7 + 10r = 77

Solving for variable 'r'.

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

Add '-7' to each side of the equation.
7 + -7 + 10r = 77 + -7

Combine like terms: 7 + -7 = 0
0 + 10r = 77 + -7
10r = 77 + -7

Combine like terms: 77 + -7 = 70
10r = 70

Divide each side by '10'.
r = 7

Simplifying
r = 7

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