10(a+6)-2(a+9)=26

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Solution for 10(a+6)-2(a+9)=26 equation:


Simplifying
10(a + 6) + -2(a + 9) = 26

Reorder the terms:
10(6 + a) + -2(a + 9) = 26
(6 * 10 + a * 10) + -2(a + 9) = 26
(60 + 10a) + -2(a + 9) = 26

Reorder the terms:
60 + 10a + -2(9 + a) = 26
60 + 10a + (9 * -2 + a * -2) = 26
60 + 10a + (-18 + -2a) = 26

Reorder the terms:
60 + -18 + 10a + -2a = 26

Combine like terms: 60 + -18 = 42
42 + 10a + -2a = 26

Combine like terms: 10a + -2a = 8a
42 + 8a = 26

Solving
42 + 8a = 26

Solving for variable 'a'.

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

Add '-42' to each side of the equation.
42 + -42 + 8a = 26 + -42

Combine like terms: 42 + -42 = 0
0 + 8a = 26 + -42
8a = 26 + -42

Combine like terms: 26 + -42 = -16
8a = -16

Divide each side by '8'.
a = -2

Simplifying
a = -2

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