-(5a+8)-3(a-7)=

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Solution for -(5a+8)-3(a-7)= equation:


Simplifying
-1(5a + 8) + -3(a + -7) = 0

Reorder the terms:
-1(8 + 5a) + -3(a + -7) = 0
(8 * -1 + 5a * -1) + -3(a + -7) = 0
(-8 + -5a) + -3(a + -7) = 0

Reorder the terms:
-8 + -5a + -3(-7 + a) = 0
-8 + -5a + (-7 * -3 + a * -3) = 0
-8 + -5a + (21 + -3a) = 0

Reorder the terms:
-8 + 21 + -5a + -3a = 0

Combine like terms: -8 + 21 = 13
13 + -5a + -3a = 0

Combine like terms: -5a + -3a = -8a
13 + -8a = 0

Solving
13 + -8a = 0

Solving for variable 'a'.

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

Add '-13' to each side of the equation.
13 + -13 + -8a = 0 + -13

Combine like terms: 13 + -13 = 0
0 + -8a = 0 + -13
-8a = 0 + -13

Combine like terms: 0 + -13 = -13
-8a = -13

Divide each side by '-8'.
a = 1.625

Simplifying
a = 1.625

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