Step 1 :Multiply the first equation by 3 and the second equation by 4 to get: \(12x - 6y = 60\) and \(12x + 28y = -212\)
Step 2 :Subtract the second equation from the first to eliminate x, resulting in: \(-34y = 272\)
Step 3 :Divide both sides by -34 to solve for y: \(y = -8\)
Step 4 :Substitute y = -8 into the first original equation: \(4x - 2(-8) = 20\) to get \(4x = 4\)
Step 5 :Divide both sides by 4 to solve for x: \(x = 1\)
Step 6 :Final Answer: The solution to the system of equations is \(\boxed{x = 1}\) and \(\boxed{y = -8}\)