-3r+10=15-8

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Solution for -3r+10=15-8 equation:


Simplifying
-3r + 10 = 15 + -8

Reorder the terms:
10 + -3r = 15 + -8

Combine like terms: 15 + -8 = 7
10 + -3r = 7

Solving
10 + -3r = 7

Solving for variable 'r'.

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

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

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

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

Divide each side by '-3'.
r = 1

Simplifying
r = 1

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