7x+y=7x+100-x+30+4x

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Solution for 7x+y=7x+100-x+30+4x equation:


Simplifying
7x + y = 7x + 100 + -1x + 30 + 4x

Reorder the terms:
7x + y = 100 + 30 + 7x + -1x + 4x

Combine like terms: 100 + 30 = 130
7x + y = 130 + 7x + -1x + 4x

Combine like terms: 7x + -1x = 6x
7x + y = 130 + 6x + 4x

Combine like terms: 6x + 4x = 10x
7x + y = 130 + 10x

Solving
7x + y = 130 + 10x

Solving for variable 'x'.

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

Add '-10x' to each side of the equation.
7x + -10x + y = 130 + 10x + -10x

Combine like terms: 7x + -10x = -3x
-3x + y = 130 + 10x + -10x

Combine like terms: 10x + -10x = 0
-3x + y = 130 + 0
-3x + y = 130

Add '-1y' to each side of the equation.
-3x + y + -1y = 130 + -1y

Combine like terms: y + -1y = 0
-3x + 0 = 130 + -1y
-3x = 130 + -1y

Divide each side by '-3'.
x = -43.33333333 + 0.3333333333y

Simplifying
x = -43.33333333 + 0.3333333333y

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