-10-9r+5r=10+r

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


Simplifying
-10 + -9r + 5r = 10 + r

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

Solving
-10 + -4r = 10 + r

Solving for variable 'r'.

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

Add '-1r' to each side of the equation.
-10 + -4r + -1r = 10 + r + -1r

Combine like terms: -4r + -1r = -5r
-10 + -5r = 10 + r + -1r

Combine like terms: r + -1r = 0
-10 + -5r = 10 + 0
-10 + -5r = 10

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

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

Combine like terms: 10 + 10 = 20
-5r = 20

Divide each side by '-5'.
r = -4

Simplifying
r = -4

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