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Citrus2011 [14]
3 years ago
7

X + y = -50 y = 4x Answer (x,y)

Mathematics
2 answers:
Gnom [1K]3 years ago
8 0

Answer:

x = -10 ; y = -40

Step-by-step explanation:

Note:

y = 4x.

Plug in 4x for y in the first equation:

x + y = -50

x + (4x) = -50

Solve for x. First, simplify, then isolate the variable, x.

x + 4x = -50

5x = -50

Divide 5 from both sides of the equation.

(5x)/5 = (-50)/5

x  = -50/5

x = -10

Plug in -10 for x in one of the equations:

y = 4x

y = 4(-10)

y = -40

x = -10 ; y = -40 is your answer.

~

ddd [48]3 years ago
8 0
X equals -10 and Y equals -40
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