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Use substitution to find the value of y. x =3 x+y=7 step 1 : rewrite the equation step 2 :add or subtract to solve for y

Use substitution to find the value of y. x =3 x+y=7 step 1 : rewrite the equation-example-1
User Andyinno
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1 Answer

3 votes

Answer:


\huge\boxed{\sf y = 4 }

Explanation:

Given Equations:

x = 3 --------------------(1)

x + y = 7 ---------------(2)

Step 1: Substitute Eq. (1) in (2)

3 + y = 7

Step 2: Subtract 3 to both sides

y = 7 - 3

y = 4


\rule[225]{225}{2}

User DrgPP
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