-18-7r=18-10r

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Solution for -18-7r=18-10r equation:


Simplifying
-18 + -7r = 18 + -10r

Solving
-18 + -7r = 18 + -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.
-18 + -7r + 10r = 18 + -10r + 10r

Combine like terms: -7r + 10r = 3r
-18 + 3r = 18 + -10r + 10r

Combine like terms: -10r + 10r = 0
-18 + 3r = 18 + 0
-18 + 3r = 18

Add '18' to each side of the equation.
-18 + 18 + 3r = 18 + 18

Combine like terms: -18 + 18 = 0
0 + 3r = 18 + 18
3r = 18 + 18

Combine like terms: 18 + 18 = 36
3r = 36

Divide each side by '3'.
r = 12

Simplifying
r = 12

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