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Paha777 [63]
4 years ago
9

Y= 3x - 15 x+y=13 find the solution

Mathematics
2 answers:
Pepsi [2]4 years ago
6 0

Answer:

x+3x-15=13

4x=28

x=7

......

vfiekz [6]4 years ago
5 0

Answer:

y = 3x - 15 \\  \\ to \: find \: x \: substitute \: y \: into \: 0\\  \\ 0 = 3x - 15 \\  - 3x =  - 15 \\ divide \: both \: sides \:by \:  - 3 \\  \\ x = 5

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Can someone help plz
Vanyuwa [196]

Answer: -1.13

Step-by-step explanation: I counted from -1.1 to -1.15

6 0
3 years ago
22.5(10-y)+27.5y=250
Nataliya [291]

Answer:

y = 5

Step-by-step explanation:

22.5(10-y)+27.5y=250

225 - 22.5y + 27.5y = 250\\\\

Combind like terms,

225 + 5y = 250

Subtract 225 from both equations to isolate the variable.

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y = 5

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3 years ago
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solmaris [256]
The answer would be <span>-10.125</span>
5 0
3 years ago
Read 2 more answers
2(x-1)=x+4 don't understand how to solve this
Masteriza [31]

Answer:

x=6

Step-by-step explanation:

2(x-1)=x+4    multiply 2 to x and -1

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3 years ago
PLS HELP*
goblinko [34]
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