What is y when x = 40

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What is y when x = 40


The value of y from the given equation x + y = 100 when x = 40 is 60

How to solve equation

x + y = 100


x = 40

substitute x = 40 into the equation

40 + y = 100

  • subtract 40 from both sides

y = 100 – 40

y = 60

Therefore, the value of y is 60 from the given equation

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