1+7r=141

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Solution for 1+7r=141 equation: 


Simplifying
1 + 7r = 141

Solving
1 + 7r = 141

Solving for variable 'r'.

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

Add '-1' to each side of the equation.
1 + -1 + 7r = 141 + -1

Combine like terms: 1 + -1 = 0
0 + 7r = 141 + -1
7r = 141 + -1

Combine like terms: 141 + -1 = 140
7r = 140

Divide each side by '7'.
r = 20

Simplifying
r = 20

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