munecamaria200 munecamaria200

25-03-2018
Mathematics

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CAN SOME ONE HWELP ME WITH THIS HURRY PLEASE

CAN SOME ONE HWELP ME WITH THIS HURRY PLEASE class=

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meowymeowylee meowymeowylee

25-03-2018

4. 15 + 4x = 6 + 5x
-x = -9
x = 9

5. Sally : x , Martha : y
x = 2 + y
x + y = 5.64
2 + y + y = 5.64
2y = 3.64
y = 1.82
Sally paid $1.82.

6. Bob : x , Tim : y
x = y - 3
x + y =7.80
y - 3 + y = 7.80
2y = 10.80
y = 5.4
Bob spent $5.40.

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