4/5 - 3/8 equals 17/40 or 0.425
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➷ Use the simultaneous equations method:
x - 4y = 6
3x + 4y = 10
Add these two equations together to cancel out 'y':
4x = 16
Divide both sides by 4:
x = 4
substitute this value into one of the equations:
(4) - 4y = 6
Subtract 4 from both sides:
- 4y = 2
Divide both sides by -4:
y = -0.5
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Answer:
Um......
Step-by-step explanation:
When multiplying fractions, multiply the numerators (top part of fraction) with numerators and denominators (bottom part of fraction) with denominators.
Answer:
D' = (-7,-3)
E' = (4,-7)
F' = (0,4)
G' = (-3,0)
Sorry if these are wrong! They might be flipped around... I'm not sure because I'm not very good at these