7+2a=-2+5a

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Solution for 7+2a=-2+5a equation:


Simplifying
7 + 2a = -2 + 5a

Solving
7 + 2a = -2 + 5a

Solving for variable 'a'.

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

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

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

Combine like terms: 5a + -5a = 0
7 + -3a = -2 + 0
7 + -3a = -2

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

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

Combine like terms: -2 + -7 = -9
-3a = -9

Divide each side by '-3'.
a = 3

Simplifying
a = 3

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