21x+4=7

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Solution for 21x+4=7 equation:


Simplifying
21x + 4 = 7

Reorder the terms:
4 + 21x = 7

Solving
4 + 21x = 7

Solving for variable 'x'.

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

Add '-4' to each side of the equation.
4 + -4 + 21x = 7 + -4

Combine like terms: 4 + -4 = 0
0 + 21x = 7 + -4
21x = 7 + -4

Combine like terms: 7 + -4 = 3
21x = 3

Divide each side by '21'.
x = 0.1428571429

Simplifying
x = 0.1428571429

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