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Andreas93 [3]
3 years ago
10

SIMULTANEOUS EQUATION x + 2y = 12 3x - 10y = 0 x = ? y = ? Thanks

Mathematics
2 answers:
defon3 years ago
6 0
Step 1) rearrange: x= 12-2y
Step 2) sub x= 12-2y into 3x-10y=0
Step 3) solve
3(12-2y) -10y =0
y=2.25
Step 4) sub y=2.25 into x=12-2y
X=7.5
mars1129 [50]3 years ago
3 0
If you want an explanation just ask
y=1
x=10
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