7a+2=23

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Solution for 7a+2=23 equation: 


Simplifying
7a + 2 = 23

Reorder the terms:
2 + 7a = 23

Solving
2 + 7a = 23

Solving for variable 'a'.

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

Add '-2' to each side of the equation.
2 + -2 + 7a = 23 + -2

Combine like terms: 2 + -2 = 0
0 + 7a = 23 + -2
7a = 23 + -2

Combine like terms: 23 + -2 = 21
7a = 21

Divide each side by '7'.
a = 3

Simplifying
a = 3

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