Answer:
60
Step-by-step explanation:
6x-30 is equivalent to the expression
Answer: 18x -15 -y =0
Step-by-step explanation:
because linear equations in two variables are always in the format of ax+by+c=0
where a,b and c are constant terms
in this case a = 18; ax= 18x
b= -1 , by= -y
c= 15
Answer:
Infinite
Step-by-step explanation:
Plug the negative into the equation.
y=x-12+2x
Add like terms
y=3x-12
Two of the same lines will always have Infinite solutions.