5(a-4)+9(1+7a)=

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Solution for 5(a-4)+9(1+7a)= equation:


Simplifying
5(a + -4) + 9(1 + 7a) = 0

Reorder the terms:
5(-4 + a) + 9(1 + 7a) = 0
(-4 * 5 + a * 5) + 9(1 + 7a) = 0
(-20 + 5a) + 9(1 + 7a) = 0
-20 + 5a + (1 * 9 + 7a * 9) = 0
-20 + 5a + (9 + 63a) = 0

Reorder the terms:
-20 + 9 + 5a + 63a = 0

Combine like terms: -20 + 9 = -11
-11 + 5a + 63a = 0

Combine like terms: 5a + 63a = 68a
-11 + 68a = 0

Solving
-11 + 68a = 0

Solving for variable 'a'.

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

Add '11' to each side of the equation.
-11 + 11 + 68a = 0 + 11

Combine like terms: -11 + 11 = 0
0 + 68a = 0 + 11
68a = 0 + 11

Combine like terms: 0 + 11 = 11
68a = 11

Divide each side by '68'.
a = 0.1617647059

Simplifying
a = 0.1617647059

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