Question

If ax+by+c=2x+3-4y then a+b

Answer 1

Answer:

 -2

Step-by-step explanation:

ax + by + c = 2x + 3 - 4y

ax + by + c = 2x + (-4y) + 3

∴ a = 2, b = -4, c = 3

a + b = 2 + (-4)

        = 2 - 4

        = -2

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