3(-5a+4)+3=45

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Solution for 3(-5a+4)+3=45 equation:


Simplifying
3(-5a + 4) + 3 = 45

Reorder the terms:
3(4 + -5a) + 3 = 45
(4 * 3 + -5a * 3) + 3 = 45
(12 + -15a) + 3 = 45

Reorder the terms:
12 + 3 + -15a = 45

Combine like terms: 12 + 3 = 15
15 + -15a = 45

Solving
15 + -15a = 45

Solving for variable 'a'.

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

Add '-15' to each side of the equation.
15 + -15 + -15a = 45 + -15

Combine like terms: 15 + -15 = 0
0 + -15a = 45 + -15
-15a = 45 + -15

Combine like terms: 45 + -15 = 30
-15a = 30

Divide each side by '-15'.
a = -2

Simplifying
a = -2

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