Solve the system of equations using the substitution method. Make sure to show all work. Y=2x+4 y=3x+7

Question

Kinsley Gilmore

Mathematics

31 March, 22:16

Solve the system of equations using the substitution method. Make sure to show all work. Y=2x+4 y=3x+7

+1

Answers (1)

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Blimpie · Answer 1

(-3,-2)

Step-by-step explanation:

y = 2x+4

y=3x+7

substitute (3x+7) in for y in the first equation.

3x+7 = 2x+4

subtract 2x from both sides

x+7=4

subtract 7 from both sides.

x = - 3

plug - 3 in for x in either equation to get y.

y = 2 (-3) + 4

y = - 2