Answer:
x = x, y = −5 −3x
Step-by-step explanation:
hope this helps
90kg of sand had been puted in 3 bags but in 2+3+7=12 parts.
90kg/12=7.5kg
Small bag has 2 parts which is 7.5kg*2=15kg
Medium bag has 3 parts which is 7.5kg*3=22.5kg
Large bag has 7 parts which is 7.5kg*7=52.5kg
2:3:7=15kg:22.5kg:52.5kg
15kg+22.5kg+52.5kg=90kg
Answer:
2x - 5 = 7
2x -5 + 5 = 7 + 5
2x = 12
2/2x = 12/2
x = 6
Step-by-step explanation: