Solve 8 + 7x = 14
solve y + (-12) = 10

 y = 22

Step-by-step explanation:

For first equation:

Subtract 8 from each side, so it now looks like this: 7x = 6Divide each side by 7 to cancel out the 7 next to x. It should now look like this:  

For second equation:

Simplify: y - 12 = 10Add 12 to each side, so it now looks like this: y = 22

I hope this helps!

X= 2 he can buy 2 packs of cards for $12 and an action figure for $3 so he would spend $15 in total plus the free poster