-2/5 +1/2w = -6/7
move the -2/5 over by addition
1/2w = -16/35
w = -32/35
Answer:
Step-by-step explanation:
3x - 95 = -4x + 31
3x + 4x = 31 + 95
7x = 126
x = 126/7
x = 18
Answer:
60+12
Step-by-step explanation:
5x12=60
Answer:
Step-by-step explanation:
10 boys..............................15 girls
20 boys...............................30 girls
we just multiply by 2