Question

L. x-5=7

2. 5y-21=14
3. 2x+8=x-3


please help I need the full methods . ​

Answer 1

x-5=7

x=7+5

x=12

5y-21=14

5y=14+21

5y=35

y=7

2x+8=x-3

2x-x=-3-8

x=-11

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