5(3a+1)+2(a-12)=15

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Solution for 5(3a+1)+2(a-12)=15 equation:


Simplifying
5(3a + 1) + 2(a + -12) = 15

Reorder the terms:
5(1 + 3a) + 2(a + -12) = 15
(1 * 5 + 3a * 5) + 2(a + -12) = 15
(5 + 15a) + 2(a + -12) = 15

Reorder the terms:
5 + 15a + 2(-12 + a) = 15
5 + 15a + (-12 * 2 + a * 2) = 15
5 + 15a + (-24 + 2a) = 15

Reorder the terms:
5 + -24 + 15a + 2a = 15

Combine like terms: 5 + -24 = -19
-19 + 15a + 2a = 15

Combine like terms: 15a + 2a = 17a
-19 + 17a = 15

Solving
-19 + 17a = 15

Solving for variable 'a'.

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

Add '19' to each side of the equation.
-19 + 19 + 17a = 15 + 19

Combine like terms: -19 + 19 = 0
0 + 17a = 15 + 19
17a = 15 + 19

Combine like terms: 15 + 19 = 34
17a = 34

Divide each side by '17'.
a = 2

Simplifying
a = 2

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