What is the solution for 2x -4= -8

Mathematics

2 answers:

scoray [572]3 years ago

8 0

Answer:

x = 48

Step-by-step explanation:

3x + 9 = 153

subtract 9 from both sides -9 -9

3x = 144

divide both sides by 3 3x/3 = 144/3

2x + (x + 9) = 153

2(48) + (48 + 9) = 153

96 + 57 = 153

153 = 153

Tanya [424]3 years ago

8 0

Answer:

add 4 to both sides carry your sign and divide by -4/2= -2

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Brilliant_brown [7]

Answer:

1. 3,168 in³

2. $\frac{3}{4}$

Step-by-step explanation:

1. The total volume of the tank - as calculated by the formula for a rectangular prism - $V=LWH$ , where L is length, W is width, and H is height. 15 · 24 · 11 = 3,960 in³. Next, we divide 3,960 by five to get 792. If 792 in³ is the air at the top, we can then subtract that from 3,960 and get 3,168. So there are 3,168 in³ of water in the tank.

2. If we dump 3,168 in³ of water into a 12,672 in³ tank, then $\frac{3,168}{12,672}$ of the tank will be full. Simplified, that is $\frac{1}{4}$ . So that means $\frac{3}{4}$ of the tank will be empty.