2 years ago

Enter the value for x that makes the equation 3x – 5 = 7x - 21 true.

Mathematics

2 answers:

Nitella [24]2 years ago

8 0

Answer:

Step-by-step explanation:

3x-5=7x-21

3x-7x=5-21

-4x=-16 ( divide by -4 both sides)

x= 4

AlexFokin [52]2 years ago

8 0

Answer:4

Step by step solution:

3x-5=7x-21
-5=4x-21
16=4x
x=4

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