7x+8y=120

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Solution for 7x+8y=120 equation: 


Simplifying
7x + 8y = 120

Solving
7x + 8y = 120

Solving for variable 'x'.

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

Add '-8y' to each side of the equation.
7x + 8y + -8y = 120 + -8y

Combine like terms: 8y + -8y = 0
7x + 0 = 120 + -8y
7x = 120 + -8y

Divide each side by '7'.
x = 17.14285714 + -1.142857143y

Simplifying
x = 17.14285714 + -1.142857143y

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