Question

( 4 x l + 5 ) - 6 x 2 = 5

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Answer 1

4xi +5     -6=5 impartit 2
4xi+5     -6=2,5
4xi+5=2,5+6

4xi+5=8,5
4x=8,5-5
4x=3,5
x=0,875

Answer 2

(4×l+5)-6×2=5; (4×l+5)-12=5; 4×l+5=12+5; 4×l+5=17; 4l=17-5; 4l=12; l=12:4; l=3;