4(a+3)-3=45

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Solution for 4(a+3)-3=45 equation:


Simplifying
4(a + 3) + -3 = 45

Reorder the terms:
4(3 + a) + -3 = 45
(3 * 4 + a * 4) + -3 = 45
(12 + 4a) + -3 = 45

Reorder the terms:
12 + -3 + 4a = 45

Combine like terms: 12 + -3 = 9
9 + 4a = 45

Solving
9 + 4a = 45

Solving for variable 'a'.

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

Add '-9' to each side of the equation.
9 + -9 + 4a = 45 + -9

Combine like terms: 9 + -9 = 0
0 + 4a = 45 + -9
4a = 45 + -9

Combine like terms: 45 + -9 = 36
4a = 36

Divide each side by '4'.
a = 9

Simplifying
a = 9

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