3(r-11)=7r-5(-r+12)

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Solution for 3(r-11)=7r-5(-r+12) equation:


Simplifying
3(r + -11) = 7r + -5(-1r + 12)

Reorder the terms:
3(-11 + r) = 7r + -5(-1r + 12)
(-11 * 3 + r * 3) = 7r + -5(-1r + 12)
(-33 + 3r) = 7r + -5(-1r + 12)

Reorder the terms:
-33 + 3r = 7r + -5(12 + -1r)
-33 + 3r = 7r + (12 * -5 + -1r * -5)
-33 + 3r = 7r + (-60 + 5r)

Reorder the terms:
-33 + 3r = -60 + 7r + 5r

Combine like terms: 7r + 5r = 12r
-33 + 3r = -60 + 12r

Solving
-33 + 3r = -60 + 12r

Solving for variable 'r'.

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

Add '-12r' to each side of the equation.
-33 + 3r + -12r = -60 + 12r + -12r

Combine like terms: 3r + -12r = -9r
-33 + -9r = -60 + 12r + -12r

Combine like terms: 12r + -12r = 0
-33 + -9r = -60 + 0
-33 + -9r = -60

Add '33' to each side of the equation.
-33 + 33 + -9r = -60 + 33

Combine like terms: -33 + 33 = 0
0 + -9r = -60 + 33
-9r = -60 + 33

Combine like terms: -60 + 33 = -27
-9r = -27

Divide each side by '-9'.
r = 3

Simplifying
r = 3

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