10+2r-3r+4=r-8

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Solution for 10+2r-3r+4=r-8 equation:


Simplifying
10 + 2r + -3r + 4 = r + -8

Reorder the terms:
10 + 4 + 2r + -3r = r + -8

Combine like terms: 10 + 4 = 14
14 + 2r + -3r = r + -8

Combine like terms: 2r + -3r = -1r
14 + -1r = r + -8

Reorder the terms:
14 + -1r = -8 + r

Solving
14 + -1r = -8 + 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.
14 + -1r + -1r = -8 + r + -1r

Combine like terms: -1r + -1r = -2r
14 + -2r = -8 + r + -1r

Combine like terms: r + -1r = 0
14 + -2r = -8 + 0
14 + -2r = -8

Add '-14' to each side of the equation.
14 + -14 + -2r = -8 + -14

Combine like terms: 14 + -14 = 0
0 + -2r = -8 + -14
-2r = -8 + -14

Combine like terms: -8 + -14 = -22
-2r = -22

Divide each side by '-2'.
r = 11

Simplifying
r = 11

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