4x-1=7x+20

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Solution for 4x-1=7x+20 equation:


Simplifying
4x + -1 = 7x + 20

Reorder the terms:
-1 + 4x = 7x + 20

Reorder the terms:
-1 + 4x = 20 + 7x

Solving
-1 + 4x = 20 + 7x

Solving for variable 'x'.

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

Add '-7x' to each side of the equation.
-1 + 4x + -7x = 20 + 7x + -7x

Combine like terms: 4x + -7x = -3x
-1 + -3x = 20 + 7x + -7x

Combine like terms: 7x + -7x = 0
-1 + -3x = 20 + 0
-1 + -3x = 20

Add '1' to each side of the equation.
-1 + 1 + -3x = 20 + 1

Combine like terms: -1 + 1 = 0
0 + -3x = 20 + 1
-3x = 20 + 1

Combine like terms: 20 + 1 = 21
-3x = 21

Divide each side by '-3'.
x = -7

Simplifying
x = -7

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