Identify the equation that does not belong with the other three. explain your reasoning. y+4=2 , x+6=4, t+5=-3, 1+1m=-1

Tanya has $42 to spend at the dolphin island store. tshirts sell for $7 each and a pair of sunglases sells for $6.tanya buys 3 tshirts. how many pairs of sunglases can she buys with the amount of money she has left

Mustafa contributes 11% of his $67,200 annual salary to his 401k plan. what is his pretax income

Three times the sum of a number and seven is negative thirty-six. what is the number?