Y= 3x + 3
y = x – 1

explain how you will solve the pair of equations by substitution. show all the steps and write the solution in (x, y) form
i know it (-1,0) i just don't know how to explain it xd

Show me how you find y and determine what y is you i appreciate it : )

The value √10 and √15 are plotted on the number line

The length of a rectangle is x times the square root of 100. the width is one-half y more than three-halves x. given that the area of the rectangle is 125 cm2, which equation could represent the rectangle in terms of x and y? a) 5xy − 15x = 125 b) 5xy + 15x = 125 c) 15x2 − 5xy = 125 d) 15x2 + 5xy = 125