7x-3y+3x+11y-1=90

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Solution for 7x-3y+3x+11y-1=90 equation:


Simplifying
7x + -3y + 3x + 11y + -1 = 90

Reorder the terms:
-1 + 7x + 3x + -3y + 11y = 90

Combine like terms: 7x + 3x = 10x
-1 + 10x + -3y + 11y = 90

Combine like terms: -3y + 11y = 8y
-1 + 10x + 8y = 90

Solving
-1 + 10x + 8y = 90

Solving for variable 'x'.

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

Add '1' to each side of the equation.
-1 + 10x + 1 + 8y = 90 + 1

Reorder the terms:
-1 + 1 + 10x + 8y = 90 + 1

Combine like terms: -1 + 1 = 0
0 + 10x + 8y = 90 + 1
10x + 8y = 90 + 1

Combine like terms: 90 + 1 = 91
10x + 8y = 91

Add '-8y' to each side of the equation.
10x + 8y + -8y = 91 + -8y

Combine like terms: 8y + -8y = 0
10x + 0 = 91 + -8y
10x = 91 + -8y

Divide each side by '10'.
x = 9.1 + -0.8y

Simplifying
x = 9.1 + -0.8y

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