20+3x-4y+7x-4=

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Solution for 20+3x-4y+7x-4= equation:


Simplifying
20 + 3x + -4y + 7x + -4 = 0

Reorder the terms:
20 + -4 + 3x + 7x + -4y = 0

Combine like terms: 20 + -4 = 16
16 + 3x + 7x + -4y = 0

Combine like terms: 3x + 7x = 10x
16 + 10x + -4y = 0

Solving
16 + 10x + -4y = 0

Solving for variable 'x'.

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

Add '-16' to each side of the equation.
16 + 10x + -16 + -4y = 0 + -16

Reorder the terms:
16 + -16 + 10x + -4y = 0 + -16

Combine like terms: 16 + -16 = 0
0 + 10x + -4y = 0 + -16
10x + -4y = 0 + -16

Combine like terms: 0 + -16 = -16
10x + -4y = -16

Add '4y' to each side of the equation.
10x + -4y + 4y = -16 + 4y

Combine like terms: -4y + 4y = 0
10x + 0 = -16 + 4y
10x = -16 + 4y

Divide each side by '10'.
x = -1.6 + 0.4y

Simplifying
x = -1.6 + 0.4y

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