Answer:
x=7
Step-by-step explanation:
I'm assuming you need to evaluate/simplify the equation, so you need to isolate/get x by itself in the equation:
2(3x + 1) = 11 Divide by 2 on both sides
3x + 1 =
[11/2 or 5.5] Subtract by 1 on both sides
[make the denominator the same to combine fractions]
3x =
Divide by 3 on both sides
x =
Answer:
purchase tax!!
Step-by-step explanation:
Lets make the graph of our systems of equations:
The blue line correspond to the equation x-y=3 and the red one correspond to 7x-y=-3. The lines intersect at point (-1,-4), then, the solution of the system is (-1,-4).