1-5x-2x=20

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Solution for 1-5x-2x=20 equation: 


Simplifying
1 + -5x + -2x = 20

Combine like terms: -5x + -2x = -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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