7a+1=90

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Solution for 7a+1=90 equation: 


Simplifying
7a + 1 = 90

Reorder the terms:
1 + 7a = 90

Solving
1 + 7a = 90

Solving for variable 'a'.

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

Add '-1' to each side of the equation.
1 + -1 + 7a = 90 + -1

Combine like terms: 1 + -1 = 0
0 + 7a = 90 + -1
7a = 90 + -1

Combine like terms: 90 + -1 = 89
7a = 89

Divide each side by '7'.
a = 12.71428571

Simplifying
a = 12.71428571

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