Answer:
h = -1, j = 3
Step-by-step explanation:
Let's subtract the first equation from the second one:
(2h + j) - (2h - 3j) = 1 - (-11)
2h + j - 2h + 3j = 1 + 11
4j = 12
j = 12 : 4
j = 3
Then let's solve the second equation as we know j:
2h + 3 = 1
2h = -2
h = -2 : 2
h = -1