Question

12-3 (x+4)=42 linear equation in one variable

Answer 1

Answer:

12-3(x+4)=42

9(x+4)=42

9x+36=42

9x=42-36=6

x=6/9=2/3

Answer 2

Answer:

12- 3(x+4)= 42

→12- 3x+12= 42

→-3x= 42-12+12

→-3x= 42-24

→-3x= 18

→x= 18÷(-3)

→x=-6

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