5r+7=-8

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Solution for 5r+7=-8 equation: 


Simplifying
5r + 7 = -8

Reorder the terms:
7 + 5r = -8

Solving
7 + 5r = -8

Solving for variable 'r'.

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

Add '-7' to each side of the equation.
7 + -7 + 5r = -8 + -7

Combine like terms: 7 + -7 = 0
0 + 5r = -8 + -7
5r = -8 + -7

Combine like terms: -8 + -7 = -15
5r = -15

Divide each side by '5'.
r = -3

Simplifying
r = -3

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