7r+8=1+8r

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


Simplifying
7r + 8 = 1 + 8r

Reorder the terms:
8 + 7r = 1 + 8r

Solving
8 + 7r = 1 + 8r

Solving for variable 'r'.

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

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

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

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

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

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

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

Divide each side by '-1'.
r = 7

Simplifying
r = 7

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