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What is the solution (a, b) to this system of linear equations? A) (0, -27) B) (-1, 7) C) (0, 7) D) (27, 6)

User Vmalloc
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1 Answer

6 votes

Answer:

The solution to the system of linear equations is (a, b) = (-3/11, -49/11).

Option (B) is true.

Explanation:

Let's consider the following system of linear equations:

Equation 1: 2a - b = -5

Equation 2: 3a + 4b = 17

To solve this system, we can use various methods such as substitution, elimination, or matrix methods. Let's solve it using the substitution method:

From Equation 1, we can express b in terms of a:

b = 2a + 5

Substituting this value of b into Equation 2:

3a + 4(2a + 5) = 17

3a + 8a + 20 = 17

11a + 20 = 17

11a = -3

a = -3/11

Substituting the value of a back into Equation 1:

2(-3/11) - b = -5

-6/11 - b = -5

b = -5 + 6/11

b = -55/11 + 6/11

b = -49/11

Therefore,

The solution to the system of linear equations is (a, b) = (-3/11, -49/11).

Option (B) is true.

Equation 1: 2a - b = -5

Equation 2: 3a + 4b = 17

What is the solution (a, b) to this system of linear equations?

A) (0, -27)

B) (-3/11, -49/11).

C) (0, 7)

D) (27, 6)

User David Poxon
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