1r-10=10r+8

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Solution for 1r-10=10r+8 equation:


Simplifying
1r + -10 = 10r + 8

Reorder the terms:
-10 + 1r = 10r + 8

Reorder the terms:
-10 + 1r = 8 + 10r

Solving
-10 + 1r = 8 + 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.
-10 + 1r + -10r = 8 + 10r + -10r

Combine like terms: 1r + -10r = -9r
-10 + -9r = 8 + 10r + -10r

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

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

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

Combine like terms: 8 + 10 = 18
-9r = 18

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

Simplifying
r = -2

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