21=4x+6x+1

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Solution for 21=4x+6x+1 equation:


Simplifying
21 = 4x + 6x + 1

Reorder the terms:
21 = 1 + 4x + 6x

Combine like terms: 4x + 6x = 10x
21 = 1 + 10x

Solving
21 = 1 + 10x

Solving for variable 'x'.

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

Add '-10x' to each side of the equation.
21 + -10x = 1 + 10x + -10x

Combine like terms: 10x + -10x = 0
21 + -10x = 1 + 0
21 + -10x = 1

Add '-21' to each side of the equation.
21 + -21 + -10x = 1 + -21

Combine like terms: 21 + -21 = 0
0 + -10x = 1 + -21
-10x = 1 + -21

Combine like terms: 1 + -21 = -20
-10x = -20

Divide each side by '-10'.
x = 2

Simplifying
x = 2

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