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Nadusha1986 [10]
3 years ago
9

Rodney is given two linear equations: x – y = 11 and 2x + y = 19. What value of x should he get as a solution for this system of

linear equations?
Mathematics
2 answers:
Nostrana [21]3 years ago
7 0
Add the two equations and solve for x.

x-y=11 ...................(1)
2x+y=19.................(2)

(1)+(2)
x+2x-y+y = 11+19
3x=30
x=10  (answer)

Vera_Pavlovna [14]3 years ago
7 0
The answer would be 10, just got this right

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150m - 100m + 47.750 = 50.500- 200m​
coldgirl [10]

Answer:

m=11÷600

Step-by-step explanation:

150m-100m+47.750=50.5000-200m

collect the like terms

-50m+47.75=50.5-200m

move variable to the left side and change its sign

-50m+200m+47.75=50.5

Move constant to the right side and change its sign

50m+200m=50.5-47.75

collect the like terms(again)

150m=50.5-47.75

subtract the numbers

150m=2.75

divied both sides of the equation by 150

m=11÷600

solution

m=11÷600

alternative form

m=0.0183

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