−2 j +7=−12start fraction, j, divided by, minus, 2, end fraction, plus, 7, equals, minus, 12 j =j=j, equals

chad should not have included the values (1, 2) and (3, 6) because that would mean he only had half a healing card.

yes

step-by-step explanation:

this linear equation would have just one solution.

step-by-step explanation:

the reason why this would have one solution is that it is an expression with just one variable. since that variable is not raised to a power, it will always have just one solution.