Math, asked by gamerzgrand68, 20 days ago

solve the following sets of simultaneous equations 2y-x=0;10x+15y=105​

Answers

Answered by jadhavprabhawati1991
1

Answer:

The given equations can be solved by substitution method.

2y−x=0

2y=x

∴x=2y

10x+15y=105 ………….(1)

Substitute x value in (1)

10x+15y=105

⇒10(2y)+15y=105

⇒20y+15y=105

⇒35y=105

⇒y=

35

105

⇒y=3

Sub y=3 in x

x=2y

⇒x=2(3)

⇒x=6

∴x=6 and y=3.

Answered by ashishumashankar1981
1

Answer:

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Class 12

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>>Solving a Pair of Linear Equations - Substitution Method

>>Solve the simultaneously equations 2y -

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Solve the simultaneously equations 2y−x=0,10x+15y=105

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Solution

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The given equations can be solved by substitution method.

2y−x=0

2y=x

∴x=2y

10x+15y=105 ………….(1)

Substitute x value in (1)

10x+15y=105

⇒10(2y)+15y=105

⇒20y+15y=105

⇒35y=105

⇒y=

35

105

⇒y=3

Sub y=3 in x

x=2y

⇒x=2(3)

⇒x=6

∴x=6 and y=3.

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