Solve. 4x+y=5 3x+y=3 use the linear combination method. a. (0,-3) b. (0,5) c. (-3,7) d. (2,-3)

The solution of the equation   4x+y=5   and 3x+y=3 be (2 , -3) .

Option (D) is correct .

Step-by-step explanation:

As given the equations are .

4x+y=5

3x+y=3

Subtracted 3x+y=3 from 4x+y=5  .

Thus

4x - 3x + y - y = 5 - 3

x = 2

Put in the equation 4x+y=5  .

4 × 2 + y = 5

8 + y = 5

y = -8 + 5

y = -3

Therefore the solution of the equation   4x+y=5   and 3x+y=3 be (2 , -3) .

Option (D) is correct .

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4a. is 3 miles every hour

4b. is 1/3 of an hour per mile

step-by-step explanation: