-7r+7=-8r+11

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Solution for -7r+7=-8r+11 equation:


Simplifying
-7r + 7 = -8r + 11

Reorder the terms:
7 + -7r = -8r + 11

Reorder the terms:
7 + -7r = 11 + -8r

Solving
7 + -7r = 11 + -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.
7 + -7r + 8r = 11 + -8r + 8r

Combine like terms: -7r + 8r = 1r
7 + 1r = 11 + -8r + 8r

Combine like terms: -8r + 8r = 0
7 + 1r = 11 + 0
7 + 1r = 11

Add '-7' to each side of the equation.
7 + -7 + 1r = 11 + -7

Combine like terms: 7 + -7 = 0
0 + 1r = 11 + -7
1r = 11 + -7

Combine like terms: 11 + -7 = 4
1r = 4

Divide each side by '1'.
r = 4

Simplifying
r = 4

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