5r+8=-9+10r

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Solution for 5r+8=-9+10r equation:


Simplifying
5r + 8 = -9 + 10r

Reorder the terms:
8 + 5r = -9 + 10r

Solving
8 + 5r = -9 + 10r

Solving for variable 'r'.

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

Add '-10r' to each side of the equation.
8 + 5r + -10r = -9 + 10r + -10r

Combine like terms: 5r + -10r = -5r
8 + -5r = -9 + 10r + -10r

Combine like terms: 10r + -10r = 0
8 + -5r = -9 + 0
8 + -5r = -9

Add '-8' to each side of the equation.
8 + -8 + -5r = -9 + -8

Combine like terms: 8 + -8 = 0
0 + -5r = -9 + -8
-5r = -9 + -8

Combine like terms: -9 + -8 = -17
-5r = -17

Divide each side by '-5'.
r = 3.4

Simplifying
r = 3.4

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