10-7r-18=7r+28-5r

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Solution for 10-7r-18=7r+28-5r equation: 


Simplifying
10 + -7r + -18 = 7r + 28 + -5r

Reorder the terms:
10 + -18 + -7r = 7r + 28 + -5r

Combine like terms: 10 + -18 = -8
-8 + -7r = 7r + 28 + -5r

Reorder the terms:
-8 + -7r = 28 + 7r + -5r

Combine like terms: 7r + -5r = 2r
-8 + -7r = 28 + 2r

Solving
-8 + -7r = 28 + 2r

Solving for variable 'r'.

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

Add '-2r' to each side of the equation.
-8 + -7r + -2r = 28 + 2r + -2r

Combine like terms: -7r + -2r = -9r
-8 + -9r = 28 + 2r + -2r

Combine like terms: 2r + -2r = 0
-8 + -9r = 28 + 0
-8 + -9r = 28

Add '8' to each side of the equation.
-8 + 8 + -9r = 28 + 8

Combine like terms: -8 + 8 = 0
0 + -9r = 28 + 8
-9r = 28 + 8

Combine like terms: 28 + 8 = 36
-9r = 36

Divide each side by '-9'.
r = -4

Simplifying
r = -4

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