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A lack of spacing between symbols indicates multiplication. In this case, "4x" is another way of saying "4 times x", or "x + x + x + x".

'x' is an unknown variable. For example, if you were to say:

4x = 8

That's a way of saying "four times a certain value is equal to eight". The solution in this case is that x equals two, as four times two is equal to eight. You can see this by dividing both sides of the equation by four:

4x = 8

4x / 4 = 8 / 4

x = 2

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Wiki User

13y ago
This answer is:
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crystalames

Lvl 1
3y ago
that doesnt make any sense
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NotMEbleghh

Lvl 1
6mo ago
how do I figure out what x is when the equation is y = -6 + 4x
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crystalames

Lvl 2
3y ago

.

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Warren Thiel

Lvl 1
3y ago
Absolutely!

Y=4x-5

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Q: What does 4x mean in maths?
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