14x-42-3x-3=21

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Solution for 14x-42-3x-3=21 equation:


Simplifying
14x + -42 + -3x + -3 = 21

Reorder the terms:
-42 + -3 + 14x + -3x = 21

Combine like terms: -42 + -3 = -45
-45 + 14x + -3x = 21

Combine like terms: 14x + -3x = 11x
-45 + 11x = 21

Solving
-45 + 11x = 21

Solving for variable 'x'.

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

Add '45' to each side of the equation.
-45 + 45 + 11x = 21 + 45

Combine like terms: -45 + 45 = 0
0 + 11x = 21 + 45
11x = 21 + 45

Combine like terms: 21 + 45 = 66
11x = 66

Divide each side by '11'.
x = 6

Simplifying
x = 6

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