Substitution~ Systems of Equations

What are the (3) methods of systems of equations?

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Which equation has a COEFFICIENT of one?

• -2x + 7y = 6

• 4x - 3 = y

• 7x + 5 = 2y

• -5x + 8y = 2

Use Substitution:

y = 4x+1

3x + 2y = 13

• (1, 5)

• (5, 1)

• (-1, 2)

• (1, -1)

Solve the system by substitution.
 
5x + 4y= −14
y =  −7x  −  15 

• (-2, -1)
• (1, -2)
• (-2, 1)
• (-1, -2)

Solve the following systems of equations using substitution:

x = 6

y = 2x - 3

• (6, 6)

• (6, 9)

• (9, 6)

• (6, -9)

Solve the system of equations.

• (-3, -4)

• (-4, -3)

• (-2, -4)

• (-4, -4)

Solve the system of equations.

• (3, 3)

• (6, 3)

• (-6, -3)

• (3, -6)

• (-3, -30

• (-3, -2)

• (-3, -5)

• (-3, 7)

• (4, 2)

• (-4, 2)

• (2, 2)

• (6, 2)

• (3, 5)

• (-2, 5)

• (2, 5)

• (4, 5)