Kemba wants to create a system of equations using 4x+2y=10 create a system of equations using a Kenna’s equation that will have infinitely many solutions I need help plz

Find the solution of this system of equation -7x+y=-20 9x-3y=36

Rick is driving to his uncles house in greenville,which is 120 miles from ricks town .after covering x miles rick she's a sign stating that greensville is 20 miles away. which equation when solved will give the value of x. a: x+120 = 20 b: x x120 =20 c: x +20 equals 120 d: x x20= 120

Olga bought a new skirt that cost $20. sales tax is 5%. how much did olga pay, including sales tax? 7.