Question

3x+2y=16 x-2y=4 substution method

Answer 1

Answer:

y=1/2

x=3

Step-by-step explanation:

X=4-2y

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Answer 2

Answer:

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Step-by-step explanation:

3x+2y=16 -----------------> eq.1

x-2y=4----------------------> eq.2

From 1 & 2

3x+2y=16

x+2y=4

---------------

2x=12

x=12/2

x=6

From 1:

3(6) +2y = 16

18+2y=16

2y=16-18

2y=-2

y=-1

substitute x and y value in eq.1:

3(6)+2(-1)=16

18-2=16

16=16

Hence, proved