-30=-3(3a+4)

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


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

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

Solving
-30 = -12 + -9a

Solving for variable 'a'.

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

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

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

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

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

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

Divide each side by '9'.
a = 2

Simplifying
a = 2

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