21.50-4x=7

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Solution for 21.50-4x=7 equation: 


Simplifying
21.50 + -4x = 7

Solving
21.50 + -4x = 7

Solving for variable 'x'.

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

Add '-21.50' to each side of the equation.
21.50 + -21.50 + -4x = 7 + -21.50

Combine like terms: 21.50 + -21.50 = 0.00
0.00 + -4x = 7 + -21.50
-4x = 7 + -21.50

Combine like terms: 7 + -21.50 = -14.5
-4x = -14.5

Divide each side by '-4'.
x = 3.625

Simplifying
x = 3.625

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