3(a+2)-7=13-(5b)

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Solution for 3(a+2)-7=13-(5b) equation:


Simplifying
3(a + 2) + -7 = 13 + -1(5b)

Reorder the terms:
3(2 + a) + -7 = 13 + -1(5b)
(2 * 3 + a * 3) + -7 = 13 + -1(5b)
(6 + 3a) + -7 = 13 + -1(5b)

Reorder the terms:
6 + -7 + 3a = 13 + -1(5b)

Combine like terms: 6 + -7 = -1
-1 + 3a = 13 + -1(5b)

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

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

Solving
-1 + 3a = 13 + -5b

Solving for variable 'a'.

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

Add '1' to each side of the equation.
-1 + 1 + 3a = 13 + 1 + -5b

Combine like terms: -1 + 1 = 0
0 + 3a = 13 + 1 + -5b
3a = 13 + 1 + -5b

Combine like terms: 13 + 1 = 14
3a = 14 + -5b

Divide each side by '3'.
a = 4.666666667 + -1.666666667b

Simplifying
a = 4.666666667 + -1.666666667b

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