Step-by-step explanation:
-7/2 = -28
-7 = -28 × 2
-7 = -56
=>7x+9=9x+5
=>7x+9-9=9x+5-9
=>7x=9x-4
=>7x-9x=9x-4-9x
=>-2x=-4
=>x=2
=>7x+9=7×2+9=23
=>9x+5=9×2+5=23
Answer:
If the sum is x, x+5
it's your answer......
