3r+12+2r+40=2

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Solution for 3r+12+2r+40=2 equation:


Simplifying
3r + 12 + 2r + 40 = 2

Reorder the terms:
12 + 40 + 3r + 2r = 2

Combine like terms: 12 + 40 = 52
52 + 3r + 2r = 2

Combine like terms: 3r + 2r = 5r
52 + 5r = 2

Solving
52 + 5r = 2

Solving for variable 'r'.

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

Add '-52' to each side of the equation.
52 + -52 + 5r = 2 + -52

Combine like terms: 52 + -52 = 0
0 + 5r = 2 + -52
5r = 2 + -52

Combine like terms: 2 + -52 = -50
5r = -50

Divide each side by '5'.
r = -10

Simplifying
r = -10

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