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

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


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

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

Combine like terms: 7a + -2a = 5a
-2 + 5a = 3a + 2 + 4a

Reorder the terms:
-2 + 5a = 2 + 3a + 4a

Combine like terms: 3a + 4a = 7a
-2 + 5a = 2 + 7a

Solving
-2 + 5a = 2 + 7a

Solving for variable 'a'.

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

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

Combine like terms: 5a + -7a = -2a
-2 + -2a = 2 + 7a + -7a

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

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

Combine like terms: -2 + 2 = 0
0 + -2a = 2 + 2
-2a = 2 + 2

Combine like terms: 2 + 2 = 4
-2a = 4

Divide each side by '-2'.
a = -2

Simplifying
a = -2

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