2x - 3y = -1 y = x - 1 solve for both x and y using elimination.

The solution for the system of equations 2x - 3y = -1 and y = x - 1 is:

x = 4, y = 3

The given system of equations is:

2x - 3y = -1(1)

y = x - 1(2)

Rearrange equation (2) to be in the same form as equation (1)

-x + y = -1(3)

Multiply equation (3) by 2

-2x + 2y = -2(4)

Add equations (1) and (3)

-y = -3

Multiply both sides by -1

y = 3

Substitute y = 3 into equation (2)

y = x - 1

3 = x - 1

x = 3 + 1

x = 4

Therefore the solution for the system of equations 2x - 3y = -1 and y = x - 1 is:

x = 4, y = 3

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1. 3. can also be expressed as (22/7)

2. -4.5

3. 3.6

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