7x+9y+11+9x-20y-4=

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Solution for 7x+9y+11+9x-20y-4= equation:


Simplifying
7x + 9y + 11 + 9x + -20y + -4 = 0

Reorder the terms:
11 + -4 + 7x + 9x + 9y + -20y = 0

Combine like terms: 11 + -4 = 7
7 + 7x + 9x + 9y + -20y = 0

Combine like terms: 7x + 9x = 16x
7 + 16x + 9y + -20y = 0

Combine like terms: 9y + -20y = -11y
7 + 16x + -11y = 0

Solving
7 + 16x + -11y = 0

Solving for variable 'x'.

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

Add '-7' to each side of the equation.
7 + 16x + -7 + -11y = 0 + -7

Reorder the terms:
7 + -7 + 16x + -11y = 0 + -7

Combine like terms: 7 + -7 = 0
0 + 16x + -11y = 0 + -7
16x + -11y = 0 + -7

Combine like terms: 0 + -7 = -7
16x + -11y = -7

Add '11y' to each side of the equation.
16x + -11y + 11y = -7 + 11y

Combine like terms: -11y + 11y = 0
16x + 0 = -7 + 11y
16x = -7 + 11y

Divide each side by '16'.
x = -0.4375 + 0.6875y

Simplifying
x = -0.4375 + 0.6875y

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