2-7x+2x+1=20

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Solution for 2-7x+2x+1=20 equation:


Simplifying
2 + -7x + 2x + 1 = 20

Reorder the terms:
2 + 1 + -7x + 2x = 20

Combine like terms: 2 + 1 = 3
3 + -7x + 2x = 20

Combine like terms: -7x + 2x = -5x
3 + -5x = 20

Solving
3 + -5x = 20

Solving for variable 'x'.

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

Add '-3' to each side of the equation.
3 + -3 + -5x = 20 + -3

Combine like terms: 3 + -3 = 0
0 + -5x = 20 + -3
-5x = 20 + -3

Combine like terms: 20 + -3 = 17
-5x = 17

Divide each side by '-5'.
x = -3.4

Simplifying
x = -3.4

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