por favor

z=24 y=5 x=12

Step-by-step explanation:

x+8=20  x=20-8 x=12

z+1=25 z=25-1 z=24

y+10=15 y=15-10 y=5

fist on the left goes with the third on the right. second on the left goes with the fourth on the right. third on the left goes with the second on the right. the fourth on the left goes with first on the right

exa:

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3+11

14

step-by-step explanation:

from this example, we can see that subtracting with integers is the same as adding the opposite. we can solve using a number line or by using the saying "keep, change, change" to us solve. it is important to remember that we can subtract a negative and end up with a larger number than we started with.