7+21x=42

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Solution for 7+21x=42 equation: 


Simplifying
7 + 21x = 42

Solving
7 + 21x = 42

Solving for variable 'x'.

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

Add '-7' to each side of the equation.
7 + -7 + 21x = 42 + -7

Combine like terms: 7 + -7 = 0
0 + 21x = 42 + -7
21x = 42 + -7

Combine like terms: 42 + -7 = 35
21x = 35

Divide each side by '21'.
x = 1.666666667

Simplifying
x = 1.666666667

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