-5r+7=8r-10

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Solution for -5r+7=8r-10 equation:


Simplifying
-5r + 7 = 8r + -10

Reorder the terms:
7 + -5r = 8r + -10

Reorder the terms:
7 + -5r = -10 + 8r

Solving
7 + -5r = -10 + 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 + -5r + -8r = -10 + 8r + -8r

Combine like terms: -5r + -8r = -13r
7 + -13r = -10 + 8r + -8r

Combine like terms: 8r + -8r = 0
7 + -13r = -10 + 0
7 + -13r = -10

Add '-7' to each side of the equation.
7 + -7 + -13r = -10 + -7

Combine like terms: 7 + -7 = 0
0 + -13r = -10 + -7
-13r = -10 + -7

Combine like terms: -10 + -7 = -17
-13r = -17

Divide each side by '-13'.
r = 1.307692308

Simplifying
r = 1.307692308

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