Find the solution to the system of equations: x + 3y = 7 and 2x + 4u=8 Isolate x in the first equation: 2. Substitute the value for x into the second equation: 3. Solve for v. Substitute y into either original equation: 5. Write the solution as an ordered pair: x = 7- 3v 207-30）+4=8 14-6u+4=8 14 - 2у = 8 1248-6 7=3 * + 3(3=7