If 5x=2y and y=10, what does 7x equal?

constants mean the stopped points or the points on a graph that nothing is changing, hope this

step-by-step explanation:

triangle and cube

step-by-step explanation:

or

step-by-step explanation:

we need to solve for 'x' the following equation:  

we have that:

⇒

⇒ ⇒

factorizing, we get that:

  ⇒

then, the solutions are: or

nothing extraneous has been found!