one number is 4 less than 3 times a second number. If 3 more than two times the firt number is decreased by 2 times the second number, the result is 11. Use the substitution method. what is the first number?

Question

anonymous · Answer

first one-> x second one-> y

now from first sentence x=3y-4

3+2x -2y=11

3+2(3y-4) -2y=11

3+6y-8-2y=11

4y-5=11

4y=11+5=16

y=4

hence x=3x4-4 = 12-4 = 8

x=8, y=4 understood?? I hope you did and its correct