Ax+3y=7

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Solution for Ax+3y=7 equation: 


Simplifying
Ax + 3y = 7

Solving
xA + 3y = 7

Solving for variable 'x'.

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

Add '-3y' to each side of the equation.
xA + 3y + -3y = 7 + -3y

Combine like terms: 3y + -3y = 0
xA + 0 = 7 + -3y
xA = 7 + -3y

Divide each side by 'A'.
x = 7A-1 + -3yA-1

Simplifying
x = 7A-1 + -3yA-1

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