<span>5x+10 = y
Subtract 10 from both sides.
5x = y - 10
Divide both sides by 5.
x = 1/5y - 2
Plugin 1/5y - 2 for the y.
5(1/5y - 2)
1 - 10 + 10 = y
1 = y
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</span><span>Your Answer(s)
</span><span>y = 1
</span></span>x = 1/5y - 2
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</span>
Answer:
There is a total 50 questions.
Step-by-step explanation:
Let x = total questions in the exam
Since 82% of the test was scored correctly, that means 18% of the student's exam was scored incorrectly.
With this information we can write:
(Given that the student made 9 mistakes)
(divide 18% on both sides)

∴ There was a total of 50 questions in the examination.
Answer:the answer is 520
Step-by-step explanation: you add 25 to tinas account 12 times
then you add 35 to cliffs account 12 times also and they eventually equal 520 ya
Answer:
Step-by-step explanation:
A polynomial function involves only non-negative integer powers or only positive integer exponents of a variable in an equation.