1+8r=8+7r

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Solution for 1+8r=8+7r equation:


Simplifying
1 + 8r = 8 + 7r

Solving
1 + 8r = 8 + 7r

Solving for variable 'r'.

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

Add '-7r' to each side of the equation.
1 + 8r + -7r = 8 + 7r + -7r

Combine like terms: 8r + -7r = 1r
1 + 1r = 8 + 7r + -7r

Combine like terms: 7r + -7r = 0
1 + 1r = 8 + 0
1 + 1r = 8

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

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

Combine like terms: 8 + -1 = 7
1r = 7

Divide each side by '1'.
r = 7

Simplifying
r = 7

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