Question

If x = 2 a+1 and y = a-1 is a solution of the equation:

2x - 3y + 5 - 0. find the value of a

8

0

-10

-5​

Answer 1

Step-by-step explanation:

x = 2a+1

y = a-1

2x - 3y + 5 = 0

2(2a + 1) -3 ( a-1) + 5 = 0

4a + 2 -3a + 3 + 5 = 0

a + 10 = 0

a = 0 - 10

a = -10

a = -10