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Savusorina25
a fost răspuns

Rezolvati inecuatia. Please
5( a - 3 ) > 9 + a
Rezolvati ecuatia :
5( x - 5 ) = 2(3 - 2x ) - 2 la puterea 2

Răspuns :

SenpaiBojeo
5 (a-3) > 9+a
5a-15>9+a
4a>24 /:4
a>6


5(x-5) = 2(3-2x) -2²
5x-25 = 6-4x-4
9x = 27
x= 3
AlexandraCC
5a -15> 9+a /-a
4a-15> 9/+15
4a> 24 /:4
a> 6
a={6,7,8,9,...}

5x-25=6-4x-4 /+4
5x-21=6-4x /+4x
9x-21=6 /+21
9x=27 /:9
x=3

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