Malik’s solution to the equation , when , is shown below. What error did Malik make first when solving the equation ?

Malik did not multiply correctly.
Malik added 240 to each side of the equation.
Malik did not multiply correctly.
Malik substituted 60 for y instead of x.
Mark this and return

Malik substituted 60 for y instead of x.

Explanation:

According to Malik’s solution.:

2/5x - 4y = 10

2/5x - 4(60) = 10

2/5x - 240 = 10

Find Malik’s complete solution in the picture below :

From the question, x is given as 60 and not y ;

In the solution provided by Malik, he substituted 60 for y ; and that is where the mistake lies, he should have substituted 60  for x and not y

either a donut or a sphere or a pancake or a flat sphere. it depends on where the vertical line is.

if the line goes through the center of the circle and is perpendicular to a diameter containing the center, then you get a flat circle.

if the line and the diameter of a the circle meet in the center of the diameter and at an angle, you get a pancake.

if the line is on the circumference of the circle and is at right angles   to the circle you get a ring.

if the line contains the diameter, you get a sphere.

the the line is parallel to the diameter and touches the circumference, you get a donut.

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