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inysia [295]
2 years ago
11

Me ajudem 1- a) 5 ( x – 1) = 30 b) 3 (x + 10 ) – 2 ( x – 5 ) = 0

Mathematics
1 answer:
denis23 [38]2 years ago
6 0

Answer:

a)7, b)-40

Step-by-step explanation:

a) 5(x-1)=30

=>5x -5=30

=>5x=30+5

=>5x=35

=>x=35/5

so, x=7

b)3(x+10)-2(x-5)=0

=>3x+30-2x+10=0

=>x+40=0

so,x=-40

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