6
.13 + 24 -8×a=10:2
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Explicație pas cu pas:
[tex] \bf 13 + 24 - 8 \times a = 10 \div 2 \\ \\ \bf 37 - 8 \times a = 5 \\ \\ \bf - 8 \times a = 5 - 37 \\ \\ \bf - 8 \times a = - 32 \\ \\ \bf a = \frac{ - 32}{ - 8} \implies \red{ \boxed{ \bf a = 4} } [/tex]
[tex]13 + 24 - 8 \times a = 10 : 2 \\ \\ 37-8a=\frac{10}{2} \\ \\ 37-8a=5 \\ \\ -8a=5-37 \\ \\ -8a=-32 \\ \\ a=\frac{-32}{-8} \\ \\ a=4 [/tex]