jacobbecker99
27.08.2020 •
Mathematics
What is the value of x in the equation 1/2x - 2/3y=30 when y =15
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Ответ:
x = 80
Step-by-step explanation:
First, plug the 15 into the y.
Use PEMDAS to solve the parentheses, 2/3 of 15 is 10.
Add 10 to both sides of the equation.
Divide each side by 1/2 (or multiply by it's reciprocal, which is 2)
That will get you your answer of x = 80
Ответ: