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

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


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

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

Combine like terms: 5a + -3a = 2a
2a + 15b + 3b = 0

Combine like terms: 15b + 3b = 18b
2a + 18b = 0

Solving
2a + 18b = 0

Solving for variable 'a'.

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

Add '-18b' to each side of the equation.
2a + 18b + -18b = 0 + -18b

Combine like terms: 18b + -18b = 0
2a + 0 = 0 + -18b
2a = 0 + -18b
Remove the zero:
2a = -18b

Divide each side by '2'.
a = -9b

Simplifying
a = -9b

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