ANSWER SOON PLEASE! I WILL MARK BRANLIEST! The equation 7 x minus 10 y = 30 is written in standard form. What is the first step
when writing an equivalent equation which solves for y? Add 7x to both sides of the equation. Subtract 7x from both sides of the equation. Add 30 to both sides of the equation. Subtract 30 from both sides of the equation.
2 answers:
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Answer:
x = 12 , x = 21
Step-by-step explanation:
If you have any questions about the way I solved it, don't hesitate to ask!!!!
Step-by-step explanation:
Since varies directly as
we can write the relation as
where k is the constant of proportionality.
a) To solve for the k, we substitute the given values:
b) The equation relation x and y can be written as
c) When y = 9,
Let the unknown number be x.
Given,
x =
= 1.28
Hence, the number is 1.28
Given,
x =
Hence, the number is 1.28