9(-r+14)=14-20r+18r

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Solution for 9(-r+14)=14-20r+18r equation:


Simplifying
9(-1r + 14) = 14 + -20r + 18r

Reorder the terms:
9(14 + -1r) = 14 + -20r + 18r
(14 * 9 + -1r * 9) = 14 + -20r + 18r
(126 + -9r) = 14 + -20r + 18r

Combine like terms: -20r + 18r = -2r
126 + -9r = 14 + -2r

Solving
126 + -9r = 14 + -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.
126 + -9r + 2r = 14 + -2r + 2r

Combine like terms: -9r + 2r = -7r
126 + -7r = 14 + -2r + 2r

Combine like terms: -2r + 2r = 0
126 + -7r = 14 + 0
126 + -7r = 14

Add '-126' to each side of the equation.
126 + -126 + -7r = 14 + -126

Combine like terms: 126 + -126 = 0
0 + -7r = 14 + -126
-7r = 14 + -126

Combine like terms: 14 + -126 = -112
-7r = -112

Divide each side by '-7'.
r = 16

Simplifying
r = 16

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