-(5a+7)-4(a-8)=

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Solution for -(5a+7)-4(a-8)= equation:


Simplifying
-1(5a + 7) + -4(a + -8) = 0

Reorder the terms:
-1(7 + 5a) + -4(a + -8) = 0
(7 * -1 + 5a * -1) + -4(a + -8) = 0
(-7 + -5a) + -4(a + -8) = 0

Reorder the terms:
-7 + -5a + -4(-8 + a) = 0
-7 + -5a + (-8 * -4 + a * -4) = 0
-7 + -5a + (32 + -4a) = 0

Reorder the terms:
-7 + 32 + -5a + -4a = 0

Combine like terms: -7 + 32 = 25
25 + -5a + -4a = 0

Combine like terms: -5a + -4a = -9a
25 + -9a = 0

Solving
25 + -9a = 0

Solving for variable 'a'.

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

Add '-25' to each side of the equation.
25 + -25 + -9a = 0 + -25

Combine like terms: 25 + -25 = 0
0 + -9a = 0 + -25
-9a = 0 + -25

Combine like terms: 0 + -25 = -25
-9a = -25

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

Simplifying
a = 2.777777778

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