Question

32:8 + 3x [50+ 3x (250 : 5 - X: 2)) = 280​

Answer 1

Răspuns:

Explicație pas cu pas:

4+3*[ 50+3*( 50-x:2)]=280

3*[50+3*(50-x:2)] =280-4

3*[ 50+3*(50-x:2)=276

50+3*(50-x:2)=276:3

50+3*(50-x:2) = 92

3*(50-x:2)=92-50

3*(50-x:2)=42

50-x:2=42:3

50-x:2= 14

x:2= 50-14

x:2=36

x= 36*2

x=72

Answer 2

$32:8 + 3\cdot [50+ 3\cdot (250 : 5 - x : 2)] = 280\Rightarrow 4+3\cdot[50+3\cdot(50-x:2)]=280|_{-4} \Rightarrow \\ \\ \Rightarrow 3\cdot[50+3\cdot(50-x:2)]=276|_{:3} \Rightarrow 50+3\cdot(50-x:2)=92|_{-50} \Rightarrow \\ \\ \Rightarrow 3\cdot(50-x:2)=42|_{:3} \Rightarrow 50-x:2=14 \Rightarrow x:2=50-14 \Rightarrow \\ \\ \Rightarrow x:2=36 \Rightarrow x=36\cdot2 \Rightarrow x=72$