7a+3-2a+5=28

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Solution for 7a+3-2a+5=28 equation:


Simplifying
7a + 3 + -2a + 5 = 28

Reorder the terms:
3 + 5 + 7a + -2a = 28

Combine like terms: 3 + 5 = 8
8 + 7a + -2a = 28

Combine like terms: 7a + -2a = 5a
8 + 5a = 28

Solving
8 + 5a = 28

Solving for variable 'a'.

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

Add '-8' to each side of the equation.
8 + -8 + 5a = 28 + -8

Combine like terms: 8 + -8 = 0
0 + 5a = 28 + -8
5a = 28 + -8

Combine like terms: 28 + -8 = 20
5a = 20

Divide each side by '5'.
a = 4

Simplifying
a = 4

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