7-8r=2r-3

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Solution for 7-8r=2r-3 equation:


Simplifying
7 + -8r = 2r + -3

Reorder the terms:
7 + -8r = -3 + 2r

Solving
7 + -8r = -3 + 2r

Solving for variable 'r'.

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

Add '-2r' to each side of the equation.
7 + -8r + -2r = -3 + 2r + -2r

Combine like terms: -8r + -2r = -10r
7 + -10r = -3 + 2r + -2r

Combine like terms: 2r + -2r = 0
7 + -10r = -3 + 0
7 + -10r = -3

Add '-7' to each side of the equation.
7 + -7 + -10r = -3 + -7

Combine like terms: 7 + -7 = 0
0 + -10r = -3 + -7
-10r = -3 + -7

Combine like terms: -3 + -7 = -10
-10r = -10

Divide each side by '-10'.
r = 1

Simplifying
r = 1

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