a+7+3b+3a-2b=

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


Simplifying
a + 7 + 3b + 3a + -2b = 0

Reorder the terms:
7 + a + 3a + 3b + -2b = 0

Combine like terms: a + 3a = 4a
7 + 4a + 3b + -2b = 0

Combine like terms: 3b + -2b = 1b
7 + 4a + 1b = 0

Solving
7 + 4a + 1b = 0

Solving for variable 'a'.

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

Add '-7' to each side of the equation.
7 + 4a + -7 + 1b = 0 + -7

Reorder the terms:
7 + -7 + 4a + 1b = 0 + -7

Combine like terms: 7 + -7 = 0
0 + 4a + 1b = 0 + -7
4a + 1b = 0 + -7

Combine like terms: 0 + -7 = -7
4a + 1b = -7

Add '-1b' to each side of the equation.
4a + 1b + -1b = -7 + -1b

Combine like terms: 1b + -1b = 0
4a + 0 = -7 + -1b
4a = -7 + -1b

Divide each side by '4'.
a = -1.75 + -0.25b

Simplifying
a = -1.75 + -0.25b

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