Solve the following pair of linear equations by the substitution method : 5x + 6y = 14, 3x – 2y = –14
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Step-by-step explanation:
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Answer:
{x=-14/5 ' y=56/20}
Step-by-step explanation:
let say
5x+6y=14
x=14-6y ------equation (a)
put this equation on 2nd equation of question
Equation is 3x-2y=-14
3(14-6y) -2y=-14
42-18y-2y=-14
42-20y=-14
-20y =-14-42
20y=56
y=56/20
now put the value of y in equation (a) to get 'x'
x=14-6(56/20)
x=-14/5
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