6r+15=8r-3

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Solution for 6r+15=8r-3 equation:


Simplifying
6r + 15 = 8r + -3

Reorder the terms:
15 + 6r = 8r + -3

Reorder the terms:
15 + 6r = -3 + 8r

Solving
15 + 6r = -3 + 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.
15 + 6r + -8r = -3 + 8r + -8r

Combine like terms: 6r + -8r = -2r
15 + -2r = -3 + 8r + -8r

Combine like terms: 8r + -8r = 0
15 + -2r = -3 + 0
15 + -2r = -3

Add '-15' to each side of the equation.
15 + -15 + -2r = -3 + -15

Combine like terms: 15 + -15 = 0
0 + -2r = -3 + -15
-2r = -3 + -15

Combine like terms: -3 + -15 = -18
-2r = -18

Divide each side by '-2'.
r = 9

Simplifying
r = 9

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