Rozwiąż równanie a) x-3+5=2(x-8) b) 7x-1=1\3 (x+7).... Question from @iza1555

August 2018 2 16 Report

Rozwiąż równanie
a) x-3+5=2(x-8)
b) 7x-1=1\3 (x+7)

bartek0209 X-3+5=2(x-8)
x-3+5= 2x - 16
2x-x=-16-5+3
x= -18

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PCTS09 A)x-3+5=2x-16
x-2x=-16+3-5
x= -18
b) 7x-1=1/3x+2i1/3
7x-1/3x= 2i1/3 +1
14/21x=3i1/3 /: 14/21
x= 64/14
x=4,5

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