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What is the first step in solving the equation 4x plus 16 equals 20?
Wiki User
∙ 13y ago
4x + 16 = 20.
The first step, only? Subtract 16 from both sides:
4x = 4.
I must be very careful not to mention that the next step in solving for x would be dividing both sides by 4.
* * * * *
Now, you don't have to do it that way, at all, if you don't want to.
An alternative first step would be to divide the original equation through, by four:
4x + 16 = 20 gives x + 4 = 5.
Now I won't spoil the story by telling you the next step.
Can you figure out what number, added to 4, makes 5?
Hint: you subtract something from both sides.
Attaboy! Knew you could!
Wiki User
∙ 13y ago
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