Question

Which first step for solving the given system using substitution results in an equation without fractions?

2x+6y= 7
6x+18y=24
Solve for x in the first equation.
Solve for y in the first equation.
Solve for x in the second equation.
Solve for y in the second equation.

Answer 1

Solve for x in the second equation.

Explanation:

6x+18y=24

6x = 24-18y

x = (24-18y)/6

x = 4 - 3y