x+1*2-1*3=18

Solution for x+1*2-1*3=18 equation:

Simplifying
x + 1 * 2 + -1 * 3 = 18

Multiply 1 * 2
x + 2 + -1 * 3 = 18

Multiply -1 * 3
x + 2 + -3 = 18

Reorder the terms:
2 + -3 + x = 18

Combine like terms: 2 + -3 = -1
-1 + x = 18

Solving
-1 + x = 18

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 + x = 18 + 1

Combine like terms: -1 + 1 = 0
0 + x = 18 + 1
x = 18 + 1

Combine like terms: 18 + 1 = 19
x = 19

Simplifying
x = 19