7s-4+2a=3a-2

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Solution for 7s-4+2a=3a-2 equation:


Simplifying
7s + -4 + 2a = 3a + -2

Reorder the terms:
-4 + 2a + 7s = 3a + -2

Reorder the terms:
-4 + 2a + 7s = -2 + 3a

Solving
-4 + 2a + 7s = -2 + 3a

Solving for variable 'a'.

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

Add '-3a' to each side of the equation.
-4 + 2a + -3a + 7s = -2 + 3a + -3a

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

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

Add '4' to each side of the equation.
-4 + -1a + 4 + 7s = -2 + 4

Reorder the terms:
-4 + 4 + -1a + 7s = -2 + 4

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

Combine like terms: -2 + 4 = 2
-1a + 7s = 2

Add '-7s' to each side of the equation.
-1a + 7s + -7s = 2 + -7s

Combine like terms: 7s + -7s = 0
-1a + 0 = 2 + -7s
-1a = 2 + -7s

Divide each side by '-1'.
a = -2 + 7s

Simplifying
a = -2 + 7s

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