Answer:
Scale using for plan ⇒ 1 m = 4 cm
Step-by-step explanation:
With what because I cannot see the math or any subject of the answer you need
Answer:
2
Step-by-step explanation:
15+-13 = 2
30-f+8f=30
30+7f=30
Move +30 to the right side. Sign changes from +30 to -30.
30-30+7f=30-30
7f=0
Divde by 7
7f/7=0/7
Cross out 7 and 7, divide by 7. Becomes 1*1*f=f
f=0
Answer: f=0