4x+x+21+x=257

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Solution for 4x+x+21+x=257 equation:


Simplifying
4x + x + 21 + x = 257

Reorder the terms:
21 + 4x + x + x = 257

Combine like terms: 4x + x = 5x
21 + 5x + x = 257

Combine like terms: 5x + x = 6x
21 + 6x = 257

Solving
21 + 6x = 257

Solving for variable 'x'.

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

Add '-21' to each side of the equation.
21 + -21 + 6x = 257 + -21

Combine like terms: 21 + -21 = 0
0 + 6x = 257 + -21
6x = 257 + -21

Combine like terms: 257 + -21 = 236
6x = 236

Divide each side by '6'.
x = 39.33333333

Simplifying
x = 39.33333333

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