4r+12-2=9p

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Solution for 4r+12-2=9p equation: 


Simplifying
4r + 12 + -2 = 9p

Reorder the terms:
12 + -2 + 4r = 9p

Combine like terms: 12 + -2 = 10
10 + 4r = 9p

Solving
10 + 4r = 9p

Solving for variable 'r'.

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

Add '-10' to each side of the equation.
10 + -10 + 4r = -10 + 9p

Combine like terms: 10 + -10 = 0
0 + 4r = -10 + 9p
4r = -10 + 9p

Divide each side by '4'.
r = -2.5 + 2.25p

Simplifying
r = -2.5 + 2.25p

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