👤
Monicttttttttttt
a fost răspuns

(2x-40)/23=12
(3x+5x)/4=16

Răspuns :

Miky93
[tex]1)\frac{2x-40}{23}=12 \\\\ 2x-40=12*23 \\\\ 2x-40= 276 \\\\ 2x=276+40 \\\\ 2x=316 \ \ \ |:2 \\\\ \boxed{x=158} \\\\\\\ 2)\frac{3x+5x}{4}=16 \\\\ \frac{\not 8x}{\not 4}=15 \\\\ 2x=16 \ \ \ |:2 \\\\ \boxed{x=8}[/tex]
Meka
(2x-40):23=12|*23
2x-40=276|+40
2x=316|:2
x=158

(3x+5x):4=16|*4
8x=64|:8
x=8

Alte intrebari