3a+4=7-2a

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


Simplifying
3a + 4 = 7 + -2a

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

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

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

Combine like terms: -2a + 2a = 0
4 + 5a = 7 + 0
4 + 5a = 7

Add '-4' to each side of the equation.
4 + -4 + 5a = 7 + -4

Combine like terms: 4 + -4 = 0
0 + 5a = 7 + -4
5a = 7 + -4

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

Divide each side by '5'.
a = 0.6

Simplifying
a = 0.6

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