10(a+6)-1(a+9)=26

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Solution for 10(a+6)-1(a+9)=26 equation:


Simplifying
10(a + 6) + -1(a + 9) = 26

Reorder the terms:
10(6 + a) + -1(a + 9) = 26
(6 * 10 + a * 10) + -1(a + 9) = 26
(60 + 10a) + -1(a + 9) = 26

Reorder the terms:
60 + 10a + -1(9 + a) = 26
60 + 10a + (9 * -1 + a * -1) = 26
60 + 10a + (-9 + -1a) = 26

Reorder the terms:
60 + -9 + 10a + -1a = 26

Combine like terms: 60 + -9 = 51
51 + 10a + -1a = 26

Combine like terms: 10a + -1a = 9a
51 + 9a = 26

Solving
51 + 9a = 26

Solving for variable 'a'.

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

Add '-51' to each side of the equation.
51 + -51 + 9a = 26 + -51

Combine like terms: 51 + -51 = 0
0 + 9a = 26 + -51
9a = 26 + -51

Combine like terms: 26 + -51 = -25
9a = -25

Divide each side by '9'.
a = -2.777777778

Simplifying
a = -2.777777778

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