60r-3(3a-4)=30

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Solution for 60r-3(3a-4)=30 equation:


Simplifying
60r + -3(3a + -4) = 30

Reorder the terms:
60r + -3(-4 + 3a) = 30
60r + (-4 * -3 + 3a * -3) = 30
60r + (12 + -9a) = 30

Reorder the terms:
12 + -9a + 60r = 30

Solving
12 + -9a + 60r = 30

Solving for variable 'a'.

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

Add '-12' to each side of the equation.
12 + -9a + -12 + 60r = 30 + -12

Reorder the terms:
12 + -12 + -9a + 60r = 30 + -12

Combine like terms: 12 + -12 = 0
0 + -9a + 60r = 30 + -12
-9a + 60r = 30 + -12

Combine like terms: 30 + -12 = 18
-9a + 60r = 18

Add '-60r' to each side of the equation.
-9a + 60r + -60r = 18 + -60r

Combine like terms: 60r + -60r = 0
-9a + 0 = 18 + -60r
-9a = 18 + -60r

Divide each side by '-9'.
a = -2 + 6.666666667r

Simplifying
a = -2 + 6.666666667r

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