Solving systems by elimination

2x+3y=6

2y=5-x

Step-by-step explanation:

2x + y = 6/3

x+y = 1

x=1-y

now,

y=5-(-1)/2

y=3

again,

x=1-3

x=-2

therefore, x= -2 and y = 3

lockers 1, 4, 9, 16, 25, 40, and 49 are open

i ran through it by the other answer is wrong

the multiples of 15 are 15, 30,45, 60, 75, 90, 105, 120, 135, 150, 165, 180, 195,   210, 225, 240, 255, 270, 285, 300, 315, 330, 345, 360, 375,   390, 405, 420, 435, 450, 465, 480, 495, 510, 525, 540, 555, 570, 585, 600, 615, 630, 645, 660, 675, 690, 705, 720, and 735.

the factors of 15 are 1, 3, 5, and 15.

hope that , fam!

-une, your fren : )