-40(r-32)=-12+28r

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Solution for -40(r-32)=-12+28r equation:


Simplifying
-40(r + -32) = -12 + 28r

Reorder the terms:
-40(-32 + r) = -12 + 28r
(-32 * -40 + r * -40) = -12 + 28r
(1280 + -40r) = -12 + 28r

Solving
1280 + -40r = -12 + 28r

Solving for variable 'r'.

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

Add '-28r' to each side of the equation.
1280 + -40r + -28r = -12 + 28r + -28r

Combine like terms: -40r + -28r = -68r
1280 + -68r = -12 + 28r + -28r

Combine like terms: 28r + -28r = 0
1280 + -68r = -12 + 0
1280 + -68r = -12

Add '-1280' to each side of the equation.
1280 + -1280 + -68r = -12 + -1280

Combine like terms: 1280 + -1280 = 0
0 + -68r = -12 + -1280
-68r = -12 + -1280

Combine like terms: -12 + -1280 = -1292
-68r = -1292

Divide each side by '-68'.
r = 19

Simplifying
r = 19

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