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Molodets [167]
2 years ago
7

Select the actions you use to solve 3x = 12. Then select the property that justifies that action.

Mathematics
1 answer:
Travka [436]2 years ago
8 0
X = 4

Use division divide both sides by 3

3x/3 leaves x

12/3=4

Hope it helps

x=4
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The difference of two numbers is 33. The sum of the first number and four times the second number is -2. What is the larger of t
defon

Answer:

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let the second number=y

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x+y=33( call this equation 1)

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x+4y=-2(call this equation 2)

Since the integer coefficients of x in both equations are the same we can quickly subtract one from the other to eliminate it

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