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Strawberry5555
@Strawberry5555
July 2022
1
16
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2/3 ( 6-9х)=15
3/4 (12-х)=3/2
2/5 ( 8-5х)=1/5
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KidFlash2017
2/3 ( 6-9х)=15
6-9x=15цел.3/2
-9x+6=15×3/2
-9x+6=45/2
-9x=45-12/2
-9х+6-6=45/2-6
х=(45-12)×1/-2×9
x=33/-18
х=11/-6
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Answers & Comments
6-9x=15цел.3/2
-9x+6=15×3/2
-9x+6=45/2
-9x=45-12/2
-9х+6-6=45/2-6
х=(45-12)×1/-2×9
x=33/-18
х=11/-6