3(a+2b)+7a-8b=

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Solution for 3(a+2b)+7a-8b= equation:


Simplifying
3(a + 2b) + 7a + -8b = 0
(a * 3 + 2b * 3) + 7a + -8b = 0
(3a + 6b) + 7a + -8b = 0

Reorder the terms:
3a + 7a + 6b + -8b = 0

Combine like terms: 3a + 7a = 10a
10a + 6b + -8b = 0

Combine like terms: 6b + -8b = -2b
10a + -2b = 0

Solving
10a + -2b = 0

Solving for variable 'a'.

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

Add '2b' to each side of the equation.
10a + -2b + 2b = 0 + 2b

Combine like terms: -2b + 2b = 0
10a + 0 = 0 + 2b
10a = 0 + 2b
Remove the zero:
10a = 2b

Divide each side by '10'.
a = 0.2b

Simplifying
a = 0.2b

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