45=4(a+3)-3

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


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

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

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

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

Solving
45 = 9 + 4a

Solving for variable 'a'.

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

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

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

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

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

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

Divide each side by '-4'.
a = 9

Simplifying
a = 9

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