3 years ago

Use subsititution to solve each system of equations. [x=2y] [y = x -2]

Mathematics

1 answer:

emmasim [6.3K]3 years ago

8 0

Answer:

x=4

y=2

You can substitute the equations like y=1/2x and -x+y+2.

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X:y=5:3 and x+y=56<br> work out he value of x-y

Alex

Answer:14

Step-by-step explanation:

x+y=56

x:y=5:3

Sum of ratio=5+3

Sum of ratio=8

x=5/8x56

x=(5x56) ➗ 8

x=280 ➗ 8

x=35

y=3/8x56

y=(3x56) ➗ 8

y=168 ➗ 8

y=21

x-y

35-21=14

x-y=14

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sattari [20]

Answer:

Second box for Justifications: Subtraction Property of equality

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Please answer the question below for 50 points. It is very easy. 6th-grade math!

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