3x+x+2=21-x*6

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Solution for 3x+x+2=21-x*6 equation:


Simplifying
3x + x + 2 = 21 + -1x * 6

Reorder the terms:
2 + 3x + x = 21 + -1x * 6

Combine like terms: 3x + x = 4x
2 + 4x = 21 + -1x * 6

Reorder the terms for easier multiplication:
2 + 4x = 21 + -1 * 6x

Multiply -1 * 6
2 + 4x = 21 + -6x

Solving
2 + 4x = 21 + -6x

Solving for variable 'x'.

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

Add '6x' to each side of the equation.
2 + 4x + 6x = 21 + -6x + 6x

Combine like terms: 4x + 6x = 10x
2 + 10x = 21 + -6x + 6x

Combine like terms: -6x + 6x = 0
2 + 10x = 21 + 0
2 + 10x = 21

Add '-2' to each side of the equation.
2 + -2 + 10x = 21 + -2

Combine like terms: 2 + -2 = 0
0 + 10x = 21 + -2
10x = 21 + -2

Combine like terms: 21 + -2 = 19
10x = 19

Divide each side by '10'.
x = 1.9

Simplifying
x = 1.9

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