Solve by using substitution method {(-4x+y=-11,,,,),(2x-3y=5,,,,):}

Lilliana Livingston

Lilliana Livingston

Answered question

2022-07-27

Solve by using substitution method
{ 4 x + y = 11 2 x 3 y = 5

Answer & Explanation

Eve Good

Eve Good

Beginner2022-07-28Added 18 answers

Step 1
Given equations are 4 x + y = 11 e q   1   and   2 x 3 y = 5 e q 2
y = 11 + 4 x put this in eq 2
eq 2 2 x 3 ( 11 + 4 x ) = 5
2 x + 33 12 x = 5
10 x = 28
Step 2
x = 2.8
Put x value in eq 1
eq 1 y = 11 + 4 ( 2.8 )
y = 11 + 11.2
y = 0.2

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