15r+3(3-r)=1

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Solution for 15r+3(3-r)=1 equation:


Simplifying
15r + 3(3 + -1r) = 1
15r + (3 * 3 + -1r * 3) = 1
15r + (9 + -3r) = 1

Reorder the terms:
9 + 15r + -3r = 1

Combine like terms: 15r + -3r = 12r
9 + 12r = 1

Solving
9 + 12r = 1

Solving for variable 'r'.

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

Add '-9' to each side of the equation.
9 + -9 + 12r = 1 + -9

Combine like terms: 9 + -9 = 0
0 + 12r = 1 + -9
12r = 1 + -9

Combine like terms: 1 + -9 = -8
12r = -8

Divide each side by '12'.
r = -0.6666666667

Simplifying
r = -0.6666666667

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