Question

Respondam
3.(x +2) +5 = x +12

X+4.(x-1) =9 -2.(x 3)

Answer 1

3.( x + 2 ) + 5 = x + 12
3x + 6 + 5 = x + 12
3x - x = 12 - 11
2x = 1
x =  1 
      2
x = 0,5

x + 4 .( x - 1 ) = 9 - 2.(x + 3)
x + 4x - 4 = 9 - 2x + 6
x + 4x + 2x = 9 + 6 + 4
7x = 14
x =  19 
        7
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