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trapecia [35]
3 years ago
7

The difference of a number x and 4 is 3 equation

Mathematics
1 answer:
Lorico [155]3 years ago
5 0

Answer:

x-4=3

Step-by-step explanation:

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Use row operations to solve the system.
Aleks04 [339]

Answer:

x = 2, y = 7, z = 12

Step-by-step explanation:

x + y - z = -3 (1)

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add (1) and (2)

4x = 8 x = 2

add (1) and (3)

2x - 3y = -17

2(2) - 3y = -17

-3y = -17 - 4

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Find z using any equation

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2 + 7 - z = -3

9 - z = -3

z = 12

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Step-by-step explanation:

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