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LUCKY_DIMON [66]
2 years ago
5

Cant solve this please help me 9x-2y=8 Y=2x+1

Mathematics
2 answers:
ELEN [110]2 years ago
8 0
9x=8+2y
x=8+2y/9
x2(4+y)/9

y-1=2x
y-1/2=x
x=y-1/2
the / is represented as a fraction. hoped this helped and if did plz mark as brainliest
ki77a [65]2 years ago
5 0
Substitute 2x+1 where y is in the equation:

9x-2(2x+1)=8

Then distribute the -2(2x+1)

9x-4x+2=8

Then combine like terms (the x)

5x+2=8

Then do -2 on both side of the equation sign

5x+2=8
- 2 -2

Then you'd get

5x=6

Then divide 5 on both sides

X= 1.2
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