sil91
19.11.2020 •
Mathematics
3x + 4 = 8x – 11 does anyone know how to do this
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Ответ:
x = 3
Step-by-step explanation:
Subtract 8x from both sides.
3x+4−8x=8x−11−8x
−5x+4=−11
Subtract 4 from both sides.
−5x+4−4=−11−4
−5x=−15
Divide both sides by -5.
−5x
−5
=
−15
−5
x=3
Ответ:
3x+15= 8x
then you subtract 3x from both sides
15=5x
divide both sides by 5
x=3
Ответ:
the volume is 480 cm
Step-by-step explanation:
You find the volume of a shape by multiplying the base x width x height. In this case the height is 6 the width is 8 and the length is 10. 6x8x10= 480.