40-21x=48

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Solution for 40-21x=48 equation: 


Simplifying
40 + -21x = 48

Solving
40 + -21x = 48

Solving for variable 'x'.

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

Add '-40' to each side of the equation.
40 + -40 + -21x = 48 + -40

Combine like terms: 40 + -40 = 0
0 + -21x = 48 + -40
-21x = 48 + -40

Combine like terms: 48 + -40 = 8
-21x = 8

Divide each side by '-21'.
x = -0.380952381

Simplifying
x = -0.380952381

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