7a+4=2a-2

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


Simplifying
7a + 4 = 2a + -2

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

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

Solving
4 + 7a = -2 + 2a

Solving for variable 'a'.

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

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

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

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

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

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

Combine like terms: -2 + -4 = -6
5a = -6

Divide each side by '5'.
a = -1.2

Simplifying
a = -1.2

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