r-10=-5r-4r

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Solution for r-10=-5r-4r equation:


Simplifying
r + -10 = -5r + -4r

Reorder the terms:
-10 + r = -5r + -4r

Combine like terms: -5r + -4r = -9r
-10 + r = -9r

Solving
-10 + r = -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.
-10 + r + 9r = -9r + 9r

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

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

Add '10' to each side of the equation.
-10 + 10 + 10r = 0 + 10

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

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

Divide each side by '10'.
r = 1

Simplifying
r = 1

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