7+3(a-3)=-9

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Solution for 7+3(a-3)=-9 equation:


Simplifying
7 + 3(a + -3) = -9

Reorder the terms:
7 + 3(-3 + a) = -9
7 + (-3 * 3 + a * 3) = -9
7 + (-9 + 3a) = -9

Combine like terms: 7 + -9 = -2
-2 + 3a = -9

Solving
-2 + 3a = -9

Solving for variable 'a'.

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

Add '2' to each side of the equation.
-2 + 2 + 3a = -9 + 2

Combine like terms: -2 + 2 = 0
0 + 3a = -9 + 2
3a = -9 + 2

Combine like terms: -9 + 2 = -7
3a = -7

Divide each side by '3'.
a = -2.333333333

Simplifying
a = -2.333333333

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