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PIT_PIT [208]
3 years ago
6

3z - 3 when z = 7 pls respond asap

Mathematics
1 answer:
Finger [1]3 years ago
8 0
3 • 7=21-3=18 there urs answers
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What is the solution to the following system of equations?
Semmy [17]

Answer:

(3,2)

Step-by-step explanation:

The system is

x + y = 5

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3 0
3 years ago
If a: b= 3:4 then find the value of<br>(6a-3b :(5a + 2b)​
KengaRu [80]

Answer:

6 : 23

Step-by-step explanation:

a : b = 3 : 4 ....(given)\\  \\ let \: a = 3x \\ b = 4x \\  \\ (6a - 3b) : (5a + 2b) \\  \\  =  \frac{(6a - 3b)}{(5a + 2b)}  \\  \\  = \frac{6(3x) - 3(4x)}{5(3x) + 2(4x)} \\  \\  =  \frac{18x- 12x}{15x+ 8x} \\  \\  = \frac{6x}{23x} \\  \\  =  \frac{6}{23}  \\  \\ (6a - 3b) : (5a + 2b) = 6  : 23

7 0
2 years ago
Describe the one basic move you need to change the equation
bixtya [17]

Answer:

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so your answer is E

8 0
3 years ago
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