A. Robert purchased a 36-inch piece of wood
Answer:
x = 23
Step-by-step explanation:
Isolate x.
x - 15 = 8
x = 15 + 8
x = 23
Answer:
18 sharpened pencils
Step-by-step explanation:
Total = 30 pencils
100% = 30 pencils
1% = 30 ÷ 100 = 0.30
60% = 0.30 x 60 = 18
4x+2=3x
-2
4x=3x-2
-3
4x-3x=2
1x=2
1x/1x= 2/1
X=2
X= 6 y=9 and the last one is -40 i believe. the middle ones i'm not sure of