5a+7+3b-12=

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Solution for 5a+7+3b-12= equation:


Simplifying
5a + 7 + 3b + -12 = 0

Reorder the terms:
7 + -12 + 5a + 3b = 0

Combine like terms: 7 + -12 = -5
-5 + 5a + 3b = 0

Solving
-5 + 5a + 3b = 0

Solving for variable 'a'.

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

Add '5' to each side of the equation.
-5 + 5a + 5 + 3b = 0 + 5

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

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

Combine like terms: 0 + 5 = 5
5a + 3b = 5

Add '-3b' to each side of the equation.
5a + 3b + -3b = 5 + -3b

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

Divide each side by '5'.
a = 1 + -0.6b

Simplifying
a = 1 + -0.6b

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