How many solutions will this equation have?

5(x + 12) = 7 + 5x

What is not true about kl and mn? what is mn? (show your work)

Can some one explain this i got sent this. is this a threat i’m scared

Money off coupons have been circulated to 300 households. only 2/5 of these were redeemed (used) in the local supermarket to get a free shampoo. what fraction of coupons were unused? (ps: write how you got the answer)