21+21+28x=42

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Solution for 21+21+28x=42 equation: 


Simplifying
21 + 21 + 28x = 42

Combine like terms: 21 + 21 = 42
42 + 28x = 42

Add '-42' to each side of the equation.
42 + -42 + 28x = 42 + -42

Combine like terms: 42 + -42 = 0
0 + 28x = 42 + -42
28x = 42 + -42

Combine like terms: 42 + -42 = 0
28x = 0

Solving
28x = 0

Solving for variable 'x'.

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

Divide each side by '28'.
x = 0

Simplifying
x = 0

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