3r+10=5r-8

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Solution for 3r+10=5r-8 equation:


Simplifying
3r + 10 = 5r + -8

Reorder the terms:
10 + 3r = 5r + -8

Reorder the terms:
10 + 3r = -8 + 5r

Solving
10 + 3r = -8 + 5r

Solving for variable 'r'.

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

Add '-5r' to each side of the equation.
10 + 3r + -5r = -8 + 5r + -5r

Combine like terms: 3r + -5r = -2r
10 + -2r = -8 + 5r + -5r

Combine like terms: 5r + -5r = 0
10 + -2r = -8 + 0
10 + -2r = -8

Add '-10' to each side of the equation.
10 + -10 + -2r = -8 + -10

Combine like terms: 10 + -10 = 0
0 + -2r = -8 + -10
-2r = -8 + -10

Combine like terms: -8 + -10 = -18
-2r = -18

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

Simplifying
r = 9

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