LtPeridot
27.09.2019 •
Mathematics
Solve for q. 1=2q-7. plz i don’t understand
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Ответ:
4 =q
Step-by-step explanation:
1=2q-7
Add 7 to each side
1+7=2q-7+7
8 = 2q
Divide by 2
8/2 = 2q/2
4 =q
Ответ:
The length is equal to 3 widths. So there will be 8 widths total.
112 ÷ 8 = 14
14 • 3 = 42
42+8 = 50
50+50+14+14=128
So the lenghth of the rectangle is 50cm.