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electrofy456
26.06.2019 •
Mathematics
What is the value of x a.20 b.35 c.60 d.70
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Ответ:
a. 20
Step-by-step explanation:
You are solving vertical angles. Put the measurements equal to each other:
x + 40 = 3x
Isolate the variable, x. Note the equal sign, what you do to one side, you do to the other. Subtract x from both sides.
x (-x) + 40 = 3x (-x)
40 = 3x - x
40 = 2x
Isolate the variable x. Divide 2 from both sides:
(2x)/2 = (40)/2
x = 40/2
x = 20
a. 20 is your answer.
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Ответ:
The value of y in the equation is 10
Step-by-step explanation:
3y = 22 + 8
3y = 30
y = 30/3
Therefore; Y = 10