What is the solution to the system of equations?
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OpenStudy (ronlover101):
Here is the numbers.
OpenStudy (anonymous):
We would solve this by substitution.
OpenStudy (ronlover101):
How do you do that. I am asking that cause I suck at it.
OpenStudy (anonymous):
I understand. Let me solve and then I can walk you through it.
OpenStudy (anonymous):
Do you have answer choices?
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OpenStudy (ronlover101):
Thanks.
OpenStudy (ronlover101):
no I do not @jesuedance1120
OpenStudy (anonymous):
OK. No problem. One more second,
OpenStudy (ronlover101):
ok
OpenStudy (anonymous):
Ok. ready to see the magic?
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OpenStudy (ronlover101):
ya
OpenStudy (dayakar):
5x+4y=8-----(1)
x-2y =10------(2)
multiply eq(2) with 2 and add it to eq(1)
ucan get x value
OpenStudy (anonymous):
So you have your two equations and you have to move the x to one side of either equation
x=10+2y
Then you have to substitute that into the other equation.
5(10+2y)+4y=8
Then you can solve.
50+10y+4y=8
50+14y=8
14y=-42
y=-3
Then you put the y answer into the other equation.
x-2(-3)=10
Then you solve.
x-2(-3)=10
x+6=10
x=4
And your answer is (4,-3)
Any questions?
OpenStudy (anonymous):
Please fan me.
OpenStudy (anonymous):
Anymore help? Please message me @ronlover101
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OpenStudy (ronlover101):
ok thank you @jesuedance1120 . And if I need any more help I will thanks!