[tex]3( imes - 2) = imes + 2[/tex][tex]5 - - вопрос №32252147609630 от Mawa1993 05.08.2020 18:49

Question

Математика: [tex]3( 	imes - 2) = 	imes + 2[/tex][tex]5 - 2( 	imes - 1) = 4 - 	imes [/tex][tex](7 	imes + 1) - (9 	imes + 3 = 5[/tex][tex]3.4 + 2y = 7(y - 2.3)[/tex][tex]0.2(7 - 2y) = 2.3 - 0.3(y - 6)[/tex][tex] rac{2}{3} ( rac{1}{3} 	imes - rac{1}{2} ) = 4 	imes + rac2 	imes rac{1}{2} [/tex]​

Mawa1993 · Answer

Пошаговое объяснение:1)3х-6=х+2 2х=8 х=42)5-2х+2=4-х -х=4-7 х=33)7х+1-9х-3=5 -2х=7 х=-3,54)3,4+2у=7у-16,1 -5у=-16,1-3,4 -5у=-19,5 у=3,95)1,4-0,4у=2,3-0,3у+1,8 -0,4у+0,3у=2,3+1,8-1,4 -0,1у=2,7 у=-276)...

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$3( \times - 2) = \times + 2$ $5 - 2( \times - 1) = 4 - \times$ $(7 \times + 1) - (9 \times + 3 = 5$ $3.4 + 2y = 7(y - 2.3)$ $0.2(7 - 2y) = 2.3 - 0.3(y - 6)$ $\frac{2}{3} ( \frac{1}{3} \times - \frac{1}{2} ) = 4 \times + \frac2 \times \frac{1}{2}$