8r-11=15r-15

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Solution for 8r-11=15r-15 equation:


Simplifying
8r + -11 = 15r + -15

Reorder the terms:
-11 + 8r = 15r + -15

Reorder the terms:
-11 + 8r = -15 + 15r

Solving
-11 + 8r = -15 + 15r

Solving for variable 'r'.

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

Add '-15r' to each side of the equation.
-11 + 8r + -15r = -15 + 15r + -15r

Combine like terms: 8r + -15r = -7r
-11 + -7r = -15 + 15r + -15r

Combine like terms: 15r + -15r = 0
-11 + -7r = -15 + 0
-11 + -7r = -15

Add '11' to each side of the equation.
-11 + 11 + -7r = -15 + 11

Combine like terms: -11 + 11 = 0
0 + -7r = -15 + 11
-7r = -15 + 11

Combine like terms: -15 + 11 = -4
-7r = -4

Divide each side by '-7'.
r = 0.5714285714

Simplifying
r = 0.5714285714

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