First you multiply 2and3/8 by 4 and which you will get 3 then you subtract 23 and 3 and get 20
Answer:
x = -76 , y = 57
Step-by-step explanation:
5x - 6y = -38
3x + 4y = 0
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use 4 to multiply equation 1
5x(4) - 6y(4) = - 38(4)
20x -24y = -152
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use 6 to multiply equation 2
3x(6) + 4y(6) = 0(6)
18x + 24y = 0
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20x - 24y = -152
18x + 24y = 0
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2x = -152
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divide 2 by both sides
x = -76
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to find y, slot in the of x to either equation 1 or 2
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equation 2
3x + 4y = 0
3(-76) + 4y = 0
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-228 + 4y = 0
4y = 228 - 0
4y = 228
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divide both sides by 4
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y = 57
for this type of question, you can use
- substitution method
- elimination method
- graphical method
i used substitution method
hope it helps
Answer:
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Step-by-step explanation:
Answer:
x = -3/2
Step-by-step explanation:
Lets first multiply the entire equation by 4 to get rid of the fractions.
1+2+4x = -3
3+4x = -3
4x = -6
x = -6/4
x = -3/2