First equation: x=-y+8
Second equation: on the picture
Answer:
The number u are looking for is 4
Step-by-step explanation:
Let X be the unknown number that we want to find.
So it becomes,
2X = 8
move 2 to the other side, so it becomes a divide
X = 8/2
X = 4
He has 30 gallons left
5/8 = 50/80
80-50=30
Use Ga_thMath(u) (brainly doesn't allow me to type it) To use the app u need to take a pic of the problem and then it will process it and you'll get ur answer ASAP(most of the time). Many questions have been asked before so search it on brainly.