Exercise 6 punctele b c d Dau coroana

b) 10×(2³-2²-2⁰):x=1
10×(8-4-1):x=1
10×3:x=1
30:x=1
x=30
c) (-2)^(3^2)=(2²)³×x
(-2)⁹=2⁶×x
-2⁹= 2⁶×x
x= -2⁹:2⁶
x= -2³
x= -8
d) -2x+10= -3x-2
-2x+3x= -2-10
x= -12