7-4x-3=20

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


Simplifying
7 + -4x + -3 = 20

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

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

Solving
4 + -4x = 20

Solving for variable 'x'.

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

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

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

Combine like terms: 20 + -4 = 16
-4x = 16

Divide each side by '-4'.
x = -4

Simplifying
x = -4

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