4r+2=12

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Solution for 4r+2=12 equation: 


Simplifying
4r + 2 = 12

Reorder the terms:
2 + 4r = 12

Solving
2 + 4r = 12

Solving for variable 'r'.

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

Add '-2' to each side of the equation.
2 + -2 + 4r = 12 + -2

Combine like terms: 2 + -2 = 0
0 + 4r = 12 + -2
4r = 12 + -2

Combine like terms: 12 + -2 = 10
4r = 10

Divide each side by '4'.
r = 2.5

Simplifying
r = 2.5

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