3a-5b-(-15a)+13b=

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Solution for 3a-5b-(-15a)+13b= equation:


Simplifying
3a + -5b + -1(-15a) + 13b = 0

Remove parenthesis around (-15a)
3a + -5b + -1 * -15a + 13b = 0

Multiply -1 * -15
3a + -5b + 15a + 13b = 0

Reorder the terms:
3a + 15a + -5b + 13b = 0

Combine like terms: 3a + 15a = 18a
18a + -5b + 13b = 0

Combine like terms: -5b + 13b = 8b
18a + 8b = 0

Solving
18a + 8b = 0

Solving for variable 'a'.

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

Add '-8b' to each side of the equation.
18a + 8b + -8b = 0 + -8b

Combine like terms: 8b + -8b = 0
18a + 0 = 0 + -8b
18a = 0 + -8b
Remove the zero:
18a = -8b

Divide each side by '18'.
a = -0.4444444444b

Simplifying
a = -0.4444444444b

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