5(r-5)+7r=12r-74

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Solution for 5(r-5)+7r=12r-74 equation: 


Simplifying
5(r + -5) + 7r = 12r + -74

Reorder the terms:
5(-5 + r) + 7r = 12r + -74
(-5 * 5 + r * 5) + 7r = 12r + -74
(-25 + 5r) + 7r = 12r + -74

Combine like terms: 5r + 7r = 12r
-25 + 12r = 12r + -74

Reorder the terms:
-25 + 12r = -74 + 12r

Add '-12r' to each side of the equation.
-25 + 12r + -12r = -74 + 12r + -12r

Combine like terms: 12r + -12r = 0
-25 + 0 = -74 + 12r + -12r
-25 = -74 + 12r + -12r

Combine like terms: 12r + -12r = 0
-25 = -74 + 0
-25 = -74

Solving
-25 = -74

Couldn't find a variable to solve for.

This equation is invalid, the left and right sides are not equal, therefore there is no solution.

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