15r-7=8

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Solution for 15r-7=8 equation: 


Simplifying
15r + -7 = 8

Reorder the terms:
-7 + 15r = 8

Solving
-7 + 15r = 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 + 15r = 8 + 7

Combine like terms: -7 + 7 = 0
0 + 15r = 8 + 7
15r = 8 + 7

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

Divide each side by '15'.
r = 1

Simplifying
r = 1

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