-1+r-9r=-9r-10

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Solution for -1+r-9r=-9r-10 equation:


Simplifying
-1 + r + -9r = -9r + -10

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

Reorder the terms:
-1 + -8r = -10 + -9r

Solving
-1 + -8r = -10 + -9r

Solving for variable 'r'.

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

Add '9r' to each side of the equation.
-1 + -8r + 9r = -10 + -9r + 9r

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

Combine like terms: -9r + 9r = 0
-1 + 1r = -10 + 0
-1 + 1r = -10

Add '1' to each side of the equation.
-1 + 1 + 1r = -10 + 1

Combine like terms: -1 + 1 = 0
0 + 1r = -10 + 1
1r = -10 + 1

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

Divide each side by '1'.
r = -9

Simplifying
r = -9

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