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Solve the system using the substitution method.
y=4
x+y=7
Demonstrate how you substituted to write an equation in one variable.

Solve the system using the substitution method. y=4 x+y=7 Demonstrate how you substituted to write an equation in one variable. class=

Answer :

Answer:

x=3

Step-by-step explanation:

x+4=7

x=7-4

x=3

bobrowder7

since y=4, we can substitute that value into the second equation. now x+y=7 becomes x+4=7. when we subtract three from both sides, we get that x=3. the ordered pair is (3,4)

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