(9) 3(x+3) - 4(x+3) = 11
Hint : Using substitution
7x + 1
5x - 3
= m, obtain
the quadratic equation in m.
Answers
Answered by
3
Answer:
x=8 is your answer.
Step-by-step explanation:
3x+9-4x+12=11
-4x+21=11
-4x=11-21
-4x=-32
x=8
Hope it helps you
Similar questions