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SVETLANKA909090 [29]
3 years ago
6

27x + 24y= 4.5 1.5x + y =0.225

Mathematics
2 answers:
soldi70 [24.7K]3 years ago
8 0

Answer:

the values for x AND y are 0.1 and 0.075 respectively

Goryan [66]3 years ago
3 0

Answer:

x = 0.1, y = 0.075

Step-by-step explanation:

Given the 2 equations

27x + 24y = 4.5 → (1)

1.5x + y = 0.225 → (2)

Multiplying (2) by - 24 and adding to (1) will eliminate the y- term

- 36x - 24y = - 5.4 → (3)

Add (1) and (3) term by term to eliminate y

- 9x = - 0.9 ( divide both sides by - 9 )

x = 0.1

Substitute x = 0.1 into either of the 2 equations and solve for y

Substituting into (2)

1.5(0.1) + y = 0.225

0.15 + y = 0.225 ( subtract 0.15 from both sides )

y = 0.075

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