6x+2x+1-x=20

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Solution for 6x+2x+1-x=20 equation:


Simplifying
6x + 2x + 1 + -1x = 20

Reorder the terms:
1 + 6x + 2x + -1x = 20

Combine like terms: 6x + 2x = 8x
1 + 8x + -1x = 20

Combine like terms: 8x + -1x = 7x
1 + 7x = 20

Solving
1 + 7x = 20

Solving for variable 'x'.

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

Add '-1' to each side of the equation.
1 + -1 + 7x = 20 + -1

Combine like terms: 1 + -1 = 0
0 + 7x = 20 + -1
7x = 20 + -1

Combine like terms: 20 + -1 = 19
7x = 19

Divide each side by '7'.
x = 2.714285714

Simplifying
x = 2.714285714

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