-3r-10=10-r

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Solution for -3r-10=10-r equation:


Simplifying
-3r + -10 = 10 + -1r

Reorder the terms:
-10 + -3r = 10 + -1r

Solving
-10 + -3r = 10 + -1r

Solving for variable 'r'.

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

Add 'r' to each side of the equation.
-10 + -3r + r = 10 + -1r + r

Combine like terms: -3r + r = -2r
-10 + -2r = 10 + -1r + r

Combine like terms: -1r + r = 0
-10 + -2r = 10 + 0
-10 + -2r = 10

Add '10' to each side of the equation.
-10 + 10 + -2r = 10 + 10

Combine like terms: -10 + 10 = 0
0 + -2r = 10 + 10
-2r = 10 + 10

Combine like terms: 10 + 10 = 20
-2r = 20

Divide each side by '-2'.
r = -10

Simplifying
r = -10

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