4x-y+1=20

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Solution for 4x-y+1=20 equation: 


Simplifying
4x + -1y + 1 = 20

Reorder the terms:
1 + 4x + -1y = 20

Solving
1 + 4x + -1y = 20

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 + 4x + -1 + -1y = 20 + -1

Reorder the terms:
1 + -1 + 4x + -1y = 20 + -1

Combine like terms: 1 + -1 = 0
0 + 4x + -1y = 20 + -1
4x + -1y = 20 + -1

Combine like terms: 20 + -1 = 19
4x + -1y = 19

Add 'y' to each side of the equation.
4x + -1y + y = 19 + y

Combine like terms: -1y + y = 0
4x + 0 = 19 + y
4x = 19 + y

Divide each side by '4'.
x = 4.75 + 0.25y

Simplifying
x = 4.75 + 0.25y

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