Question

find the answer a and b

Answer 1

Step-by-step explanation:

hi a is the answer

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Answer 2

Answer:

Step-by-step explanation:

[2a-b × 2] - [-7×4] = [1 × a+3b] - [-7 × 4]

4a - 2b + 28 = a + 3b + 28

3a = 5b......(1)

and 2a - b = 1 ⇒ 2a = b........(2)

and 2 = a + 3b ⇒ 3b = 2 - a.....(3)

solve any two equations you will get the ans.