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24-06-2022
Mathematics

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4x=5-2y
y-2x=7
to solve using subsitution, what can be subsituted in place of y in the first equation?

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24-06-2022

Answer:

y = 7+2x

Step-by-step explanation:

4x = 5 - 2y __(1)

y - 2x = 7 __(2)

From eq (2) ,

y = 7 + 2x

Hence, we can substitute (7+2x) in place of y in the first equation.

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