-7-5r=12(-9r+5)

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Solution for -7-5r=12(-9r+5) equation:


Simplifying
-7 + -5r = 12(-9r + 5)

Reorder the terms:
-7 + -5r = 12(5 + -9r)
-7 + -5r = (5 * 12 + -9r * 12)
-7 + -5r = (60 + -108r)

Solving
-7 + -5r = 60 + -108r

Solving for variable 'r'.

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

Add '108r' to each side of the equation.
-7 + -5r + 108r = 60 + -108r + 108r

Combine like terms: -5r + 108r = 103r
-7 + 103r = 60 + -108r + 108r

Combine like terms: -108r + 108r = 0
-7 + 103r = 60 + 0
-7 + 103r = 60

Add '7' to each side of the equation.
-7 + 7 + 103r = 60 + 7

Combine like terms: -7 + 7 = 0
0 + 103r = 60 + 7
103r = 60 + 7

Combine like terms: 60 + 7 = 67
103r = 67

Divide each side by '103'.
r = 0.6504854369

Simplifying
r = 0.6504854369

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