5(4+2a)-(8a-12)=68

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Solution for 5(4+2a)-(8a-12)=68 equation:


Simplifying
5(4 + 2a) + -1(8a + -12) = 68
(4 * 5 + 2a * 5) + -1(8a + -12) = 68
(20 + 10a) + -1(8a + -12) = 68

Reorder the terms:
20 + 10a + -1(-12 + 8a) = 68
20 + 10a + (-12 * -1 + 8a * -1) = 68
20 + 10a + (12 + -8a) = 68

Reorder the terms:
20 + 12 + 10a + -8a = 68

Combine like terms: 20 + 12 = 32
32 + 10a + -8a = 68

Combine like terms: 10a + -8a = 2a
32 + 2a = 68

Solving
32 + 2a = 68

Solving for variable 'a'.

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

Add '-32' to each side of the equation.
32 + -32 + 2a = 68 + -32

Combine like terms: 32 + -32 = 0
0 + 2a = 68 + -32
2a = 68 + -32

Combine like terms: 68 + -32 = 36
2a = 36

Divide each side by '2'.
a = 18

Simplifying
a = 18

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