Question

If x = 2a +1 and y = a- 1 is a solution of the equation 2x – 3y + 5 =0, find the value of a

Answer 1

Answer:

See this.

Step-by-step explanation:

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Answer 2

Answer:

-10

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=-10

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