4(2a+3)-17=15

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Solution for 4(2a+3)-17=15 equation:


Simplifying
4(2a + 3) + -17 = 15

Reorder the terms:
4(3 + 2a) + -17 = 15
(3 * 4 + 2a * 4) + -17 = 15
(12 + 8a) + -17 = 15

Reorder the terms:
12 + -17 + 8a = 15

Combine like terms: 12 + -17 = -5
-5 + 8a = 15

Solving
-5 + 8a = 15

Solving for variable 'a'.

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

Add '5' to each side of the equation.
-5 + 5 + 8a = 15 + 5

Combine like terms: -5 + 5 = 0
0 + 8a = 15 + 5
8a = 15 + 5

Combine like terms: 15 + 5 = 20
8a = 20

Divide each side by '8'.
a = 2.5

Simplifying
a = 2.5

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