1-7x+18x=-21

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Solution for 1-7x+18x=-21 equation: 


Simplifying
1 + -7x + 18x = -21

Combine like terms: -7x + 18x = 11x
1 + 11x = -21

Solving
1 + 11x = -21

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 + 11x = -21 + -1

Combine like terms: 1 + -1 = 0
0 + 11x = -21 + -1
11x = -21 + -1

Combine like terms: -21 + -1 = -22
11x = -22

Divide each side by '11'.
x = -2

Simplifying
x = -2

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