Answered

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solve the system:
y=5
3x+y=2

solve the system:
y=5
4x-y=7

solve the system:
2x+y=12
3x-y=3


HELP PLEASE

Sagot :

Answer:

3x+5=2

3×=2- 5

3x= -3

x=-1

4x-5=7

4x=7+5

4x=12

4x÷4=12÷4

x=3

2x+5=12

2x=12-5

2x=7

2x÷2=7÷2

x=3.5

3x-5=3

3x=3+5

3x=8

3x÷3=8÷3

x=2.6

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