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dedylja [7]
3 years ago
14

X+y=1 x+3y=9 Solve (First answer gets brainliest)

Mathematics
2 answers:
Firdavs [7]3 years ago
8 0
X + y = 1
x + 3y = 9

Subtract the second equation from the first.
-2y = -8
divide both sides by -2
y = 4

Plug 4 back into either equation and solve for x.
x + y = 1
x + 4 = 1
subtract 4 from each side
x = -3
(-3, 4)
skad [1K]3 years ago
5 0
X+3Y=9

-X+Y=1
2Y=8

Y=4

X+4=1

X=-3
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2 years ago
A line had a slope of 2/3 and a y intercept at (0,14).What is the x intercept of the line?​
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Answer:

y=2/3x+14

Step-by-step explanation:

The standard form of an equation in slope-intercept form is y=mx+b where m=slope and b=y-intercept.

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3 years ago
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Generally, let the number of miles driven by the taxi be x, then we have;

1.95x+2.50=27.46

Solving for the number of miles Isaac travelled, we have;

\begin{gathered} 1.95x=27.46-2.50 \\ 1.95x=24.96 \\ x=\frac{24.96}{1.95} \\ x=12.8\text{miles} \end{gathered}

CORRECT OPTION:

1.95x+2.50=27.46;\text{ Isaac traveled 12.8 miles.}

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