5(a+3)=7-3a

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Solution for 5(a+3)=7-3a equation:


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

Reorder the terms:
5(3 + a) = 7 + -3a
(3 * 5 + a * 5) = 7 + -3a
(15 + 5a) = 7 + -3a

Solving
15 + 5a = 7 + -3a

Solving for variable 'a'.

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

Add '3a' to each side of the equation.
15 + 5a + 3a = 7 + -3a + 3a

Combine like terms: 5a + 3a = 8a
15 + 8a = 7 + -3a + 3a

Combine like terms: -3a + 3a = 0
15 + 8a = 7 + 0
15 + 8a = 7

Add '-15' to each side of the equation.
15 + -15 + 8a = 7 + -15

Combine like terms: 15 + -15 = 0
0 + 8a = 7 + -15
8a = 7 + -15

Combine like terms: 7 + -15 = -8
8a = -8

Divide each side by '8'.
a = -1

Simplifying
a = -1

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