Răspuns:
Explicație pas cu pas:
9(4x-3)-7(3x+5) = 5(3x+10) - 4(2x+15) -4 =>
36x-27 -21x -35 = 15x+50-8x-60 - 4 =>
36x-21x-15x+8x = 27+35+50-60-4 =>
8x = 48 =>
x = 48:8 =>
x = 6
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Răspuns:
Explicație pas cu pas:
9(4x-3)-7(3x+5) = 5(3x+10) - 4(2x+15) -4 =>
36x-27 -21x -35 = 15x+50-8x-60 - 4 =>
36x-21x-15x+8x = 27+35+50-60-4 =>
8x = 48 =>
x = 48:8 =>
x = 6