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goldenfox [79]
3 years ago
15

Find an equivalent system of equations for the following system x + 2y = 2, -4x + 4y = -8

Mathematics
2 answers:
agasfer [191]3 years ago
4 0

Answer:

2x + 4y = 4

-8x + 8y = -16.

Step-by-step explanation:

We can find an equivalent system by multiply the 2 equations by 2.

x + 2y = 2  multiplied by 2 is 2x + 4y = 4.

nexus9112 [7]3 years ago
3 0

Answer:

x=2, y=0

Step-by-step explanation:

Given Equations:

  x + 2y = 2       Equations:1

-4x + 4y = -8     Equation:2

Multiplying equation:1 by '2'

2x + 4y = 4         Equation:3

Using Elimination Method, Subtracting Equation:2 from Equation:3

2x+4y-(-4x + 4y) = 4-(-8)

                  2x+4y+4x - 4y = 4+8\\6x=12\\x=\frac{12}{6} \\x=2

Putting the value of 'x' in Equation:1

                x + 2y = 2

                   2 + 2y = 2\\2y=2-2\\2y=0\\y=0

The value of 'x' is 2

The value of 'y' is 0

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<h3>What is a triangle?</h3>

A triangle is a three-edged polygon with three vertices. It is a fundamental form in geometry. The sum of all the angle of a triangle is always equal to 180°.

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