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Drag the tiles to the correct boxes to complete the pairs. Not all tiles will be used.
Match the systems of equations to their solutions

Drag The Tiles To The Correct Boxes To Complete The Pairs Not All Tiles Will Be Used Match The Systems Of Equations To Their Solutions class=

Sagot :

Answer:

a) 2x + y =12, x = 9-2y. Solution: x=5 and y=2

b) x + 3y=16, 2x - y = 11

Solution: x = 7 and y= 3

c) 2x+ y = 11, x - 2y = - 7. Solution: x = 3 and y=5

d) y=11-2x, 4x - 3y=-11

Solution: x=2 and y=7

Step-by-step explanation:

a) 2x + y = 12

b) x = 9-2y

Substitution:

a) 2(9-2y)+y = 12

18 - 4y + y = 12

18-12 = 4y -y

6 = 3y

6/3 = y

y = 2 and

X = 9 - 2(2) = 5

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