3(a+5)-a=23

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Solution for 3(a+5)-a=23 equation:


Simplifying
3(a + 5) + -1a = 23

Reorder the terms:
3(5 + a) + -1a = 23
(5 * 3 + a * 3) + -1a = 23
(15 + 3a) + -1a = 23

Combine like terms: 3a + -1a = 2a
15 + 2a = 23

Solving
15 + 2a = 23

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 + 2a = 23 + -15

Combine like terms: 15 + -15 = 0
0 + 2a = 23 + -15
2a = 23 + -15

Combine like terms: 23 + -15 = 8
2a = 8

Divide each side by '2'.
a = 4

Simplifying
a = 4

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