3a-8(2a+5b)-(-4b)=

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Solution for 3a-8(2a+5b)-(-4b)= equation:


Simplifying
3a + -8(2a + 5b) + -1(-4b) = 0
3a + (2a * -8 + 5b * -8) + -1(-4b) = 0
3a + (-16a + -40b) + -1(-4b) = 0

Remove parenthesis around (-4b)
3a + -16a + -40b + -1 * -4b = 0

Multiply -1 * -4
3a + -16a + -40b + 4b = 0

Combine like terms: 3a + -16a = -13a
-13a + -40b + 4b = 0

Combine like terms: -40b + 4b = -36b
-13a + -36b = 0

Solving
-13a + -36b = 0

Solving for variable 'a'.

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

Add '36b' to each side of the equation.
-13a + -36b + 36b = 0 + 36b

Combine like terms: -36b + 36b = 0
-13a + 0 = 0 + 36b
-13a = 0 + 36b
Remove the zero:
-13a = 36b

Divide each side by '-13'.
a = -2.769230769b

Simplifying
a = -2.769230769b

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