Question

4х- (х+3) при х = -5

Answer 1

4x-(x+3)=4x-x-3=3x-3
x=-5
3x-3=3*(-5)-3=-15-3=-18

Answer 2

4х - ( х + 3 ) при х = -5.
4• (-5) - ((-5) + 3) = -20 + 5 - 3 = -15 - 3 = -18.
Удачи)))