Question

[(x-8):2supra 2 +3]×2=22.


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Answer 1

Răspuns:

Explicație pas cu pas:

[(x-8):2²+3]×2=22

(x-8):2²+3=22:2=11

(x-8):4=11-3=8

x-8=8×4=32

x=32+8=40

Answer 2

$\it \[[(x-8):2^2+3]\cdot2=22|_{:2} \Rightarrow (x-8):2^2+3=11|_{-3} \Rightarrow (x-8):4=8 \Rightarrow \\ \\ \Rightarrow x-8=6\cdot4 \Rightarrow x-8=32|_{+8} \Rightarrow x=40$