Answer:
18
Step-by-step explanation:
Answer:
x=1
Step-by-step explanation:
2x+6x-x=7
7x=7
x=1
...............
Answer: x=-20
Step-by-step explanation:
Isolate the variable(x) by dividing each side by factors (50) that do not contain the variable.
Answer:
Easiest and fastest way is to graph both equations into a graphing calc and trace the graph to where they intersect.
Alternatively, you can use substitution to solve for your answer.
Step-by-step explanation:
Answer:

Step-by-step explanation:



