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Gnoma [55]
2 years ago
6

Substitution y=2x-1 Y=-3x-6

Mathematics
2 answers:
attashe74 [19]2 years ago
7 0
Y = 2x - 1
y = -3x - 6

Since y of the first equation is equal to y of the second equation, then what each y is equal to in the two equations is equal.

2x - 1 = -3x - 6

Add 3x to both sides.

5x - 1 = -6

Add 1 to both sides.

5x = -5

Divide both sides by 5.

x = -1

Now substitute -1 for x in the first original equation.

y = 2x - 1

y = 2(-1) - 1

y = -2 - 1

y = -3

Solution: x = -1 and y = -3
Mice21 [21]2 years ago
6 0
-3x-6=2x-1
5x=-5
x=-1

y=-3(-1)-6
y=3-6
y=-3

hope this helps!
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Show answer in lowest terms. 25/75+ 25/125=
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