4(r+15)+4r=3a

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Solution for 4(r+15)+4r=3a equation:


Simplifying
4(r + 15) + 4r = 3a

Reorder the terms:
4(15 + r) + 4r = 3a
(15 * 4 + r * 4) + 4r = 3a
(60 + 4r) + 4r = 3a

Combine like terms: 4r + 4r = 8r
60 + 8r = 3a

Solving
60 + 8r = 3a

Solving for variable 'r'.

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

Add '-60' to each side of the equation.
60 + -60 + 8r = -60 + 3a

Combine like terms: 60 + -60 = 0
0 + 8r = -60 + 3a
8r = -60 + 3a

Divide each side by '8'.
r = -7.5 + 0.375a

Simplifying
r = -7.5 + 0.375a

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