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MakcuM [25]
3 years ago
9

Use the substitution method to solve the system of equations. 2x - y = 10 3x - 2y = 8

Mathematics
2 answers:
larisa [96]3 years ago
7 0

Answer:

x=12, y=14

Step-by-step explanation:

2x - y = 10

Solve the equation for y. Subtract 2x from both sides

- y = -2x+10

Divide both sides by -1

y=2x-10

Substitute 2x-10 for y in the second equation

3x - 2(2x-10)= 8

3x - 4x+20= 8

-1x+20= 8

Subtract 20 from both sides

-1x= -12

Divide both sides by -1

x= 12

y=2x-10

Substitute 12 for x

y=2(12)-10=14

y=14

Lady bird [3.3K]3 years ago
5 0
2x-y=10
3x-2y=8

-y= -2x +10 multiply by(-1)
y=2x-10

3x-2(2x-10)=8
3x-4x+20=8
-x=-12 multply by (-1)
x=12
24-y =10
-y=-14
(12,14)

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