Answer:
9) x = 32
11) x = 33.3
Step-by-step explanation:
9) 1/4x = 8
4 x 1/4x = 8 x 4
X = 32
11) 3/5x = 20
5 x 3/5x = 20 x 5
3x = 100
3x ÷ 3 = 100 ÷ 3
X = 33.33333
X = 33.3
9=48
shown above in the photo hope it helps
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51
Substitute the value of a
3(2)³+10(2)²-3(2)-7
3(8)+10(4)-3(2)-7
24+40-6-7
64-13
Let the number = X
4x + 8x = 36
Simplify:
12x = 36
Divide both sides by 12:
x = 3
The number is 3
