2a+7=3-a+4

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


Simplifying
2a + 7 = 3 + -1a + 4

Reorder the terms:
7 + 2a = 3 + -1a + 4

Reorder the terms:
7 + 2a = 3 + 4 + -1a

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

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

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

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

Solving
2a = -1a

Solving for variable 'a'.

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

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

Combine like terms: 2a + a = 3a
3a = -1a + a

Combine like terms: -1a + a = 0
3a = 0

Divide each side by '3'.
a = 0

Simplifying
a = 0

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