X=22 because if y=6 and x=10 so 6+4=10 so 18+4=22
Simplify both sides of the equation
Subtract 2 from both sides
Divide both sides by 5


OR

1.031, 1.06, 1.306, 1.36
If it helps, when you have something that only goes to the hundredths place, add a 0 to the end.
for example, 1.63= 1.630
9xy2-6x2y+5x3. Change every sign in the equation as if you were multiplying each part by -1.