-1(1+7a)-6(7-a)=36

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Solution for -1(1+7a)-6(7-a)=36 equation:


Simplifying
-1(1 + 7a) + -6(7 + -1a) = 36
(1 * -1 + 7a * -1) + -6(7 + -1a) = 36
(-1 + -7a) + -6(7 + -1a) = 36
-1 + -7a + (7 * -6 + -1a * -6) = 36
-1 + -7a + (-42 + 6a) = 36

Reorder the terms:
-1 + -42 + -7a + 6a = 36

Combine like terms: -1 + -42 = -43
-43 + -7a + 6a = 36

Combine like terms: -7a + 6a = -1a
-43 + -1a = 36

Solving
-43 + -1a = 36

Solving for variable 'a'.

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

Add '43' to each side of the equation.
-43 + 43 + -1a = 36 + 43

Combine like terms: -43 + 43 = 0
0 + -1a = 36 + 43
-1a = 36 + 43

Combine like terms: 36 + 43 = 79
-1a = 79

Divide each side by '-1'.
a = -79

Simplifying
a = -79

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