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ella [17]
3 years ago
7

Solve by substitution: y = 3x + 4 and y = -2x – 1.

Mathematics
2 answers:
Akimi4 [234]3 years ago
7 0

Answer:

x = -1

y = 1

Step-by-step explanation:

y = 3x+4

y = -2x-1

-2x-1 = 3x+4

-5x - 1 = 4

-5x = 5

x = -1

Substitute this x value into 1 of the equations given in the problem:

y = 3(-1)+4

y = -3+4

y = 1

olga2289 [7]3 years ago
3 0

Answer: the answer to x= -1 and y= 1

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