4r+7=34r+12

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Solution for 4r+7=34r+12 equation:


Simplifying
4r + 7 = 34r + 12

Reorder the terms:
7 + 4r = 34r + 12

Reorder the terms:
7 + 4r = 12 + 34r

Solving
7 + 4r = 12 + 34r

Solving for variable 'r'.

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

Add '-34r' to each side of the equation.
7 + 4r + -34r = 12 + 34r + -34r

Combine like terms: 4r + -34r = -30r
7 + -30r = 12 + 34r + -34r

Combine like terms: 34r + -34r = 0
7 + -30r = 12 + 0
7 + -30r = 12

Add '-7' to each side of the equation.
7 + -7 + -30r = 12 + -7

Combine like terms: 7 + -7 = 0
0 + -30r = 12 + -7
-30r = 12 + -7

Combine like terms: 12 + -7 = 5
-30r = 5

Divide each side by '-30'.
r = -0.1666666667

Simplifying
r = -0.1666666667

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