2a+7=8

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Solution for 2a+7=8 equation: 


Simplifying
2a + 7 = 8

Reorder the terms:
7 + 2a = 8

Solving
7 + 2a = 8

Solving for variable 'a'.

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

Add '-7' to each side of the equation.
7 + -7 + 2a = 8 + -7

Combine like terms: 7 + -7 = 0
0 + 2a = 8 + -7
2a = 8 + -7

Combine like terms: 8 + -7 = 1
2a = 1

Divide each side by '2'.
a = 0.5

Simplifying
a = 0.5

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