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notsponge [240]
3 years ago
7

Evaluate the expression 3x +(z+2y)-12 if x=3,y=8 and z=5

Mathematics
1 answer:
joja [24]3 years ago
5 0

Answer:

18

Step-by-step explanation:

First you need to plug in the numbers for each variable.

3(3)+(5+2(8))-12

Now you solve

3(3)+(21)-12

9+21-12

18

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Write an expression that has four terms. your expression should have three different variables and a constant
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4 0
2 years ago
3х - 5 = -11 what is x
Gennadij [26K]

Answer:

-2

Step-by-step explanation:

Add 5 to both sides to get

3x-5+5=-11+5

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7 0
3 years ago
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suter [353]

Answer:

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2 years ago
The 'Queen Mary' used to sail across the Atlantic Ocean The ships usual speed was 33 miles per hour. On average, the ship used f
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