5a-2b-4=61+7b

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Solution for 5a-2b-4=61+7b equation:


Simplifying
5a + -2b + -4 = 61 + 7b

Reorder the terms:
-4 + 5a + -2b = 61 + 7b

Solving
-4 + 5a + -2b = 61 + 7b

Solving for variable 'a'.

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

Add '4' to each side of the equation.
-4 + 5a + 4 + -2b = 61 + 4 + 7b

Reorder the terms:
-4 + 4 + 5a + -2b = 61 + 4 + 7b

Combine like terms: -4 + 4 = 0
0 + 5a + -2b = 61 + 4 + 7b
5a + -2b = 61 + 4 + 7b

Combine like terms: 61 + 4 = 65
5a + -2b = 65 + 7b

Add '2b' to each side of the equation.
5a + -2b + 2b = 65 + 7b + 2b

Combine like terms: -2b + 2b = 0
5a + 0 = 65 + 7b + 2b
5a = 65 + 7b + 2b

Combine like terms: 7b + 2b = 9b
5a = 65 + 9b

Divide each side by '5'.
a = 13 + 1.8b

Simplifying
a = 13 + 1.8b

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