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3 years ago

8

How do you solve this system: y= -3/2x, and 3x+2y=-4 by substitution?

2 answers:

crimeas [40]3 years ago

7 0

Plug in equation for y into second equation: 3x+2(-3/2x)=-4

Soloha48 [4]3 years ago

4 0

Download Photomath it will answer it with step by step work

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grigory [225]

Answer:

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Step-by-step explanation:

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A container holds a combination of nickels and quarters. There are 156 coins in all, and their total value is $21.60. The system

Tatiana [17]

X+y=156
<span>0.05x+0.25y=21.6

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</span>1/20x+1/4y=216/10
<span>+--------------------------
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x=87

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<span>
87+y=156 y=69

this question answer is </span><span>87 nickels and 69 quarters</span><span>

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3 years ago

What is 24 divided by 2 plus 8

grin007 [14]

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