Упростите выражения.. Created by Mandar1nk0. matematika-ru

Упростите выражения...

August 2022 1 7 Report

Упростите выражения.

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dim10102806 12) 6-3(х+1)-(7-х)=6-3х-3-7+х=-2х-4=-2(х+2)
13) (8х+3)-(10х-6)-9=8х+3-10х+6-9=-2х
14) 5-2(х-1)-(-4-х)=5-2х+2+4+х=11-х
15) (7х+1)-(9х+3)+5=7х+1-9х-3+5=3-2х
16) (3,4+2у)-7(у-2,3)=3,4+2у-7у+16,1=19,5-5у=5(3,9-у)
17) 4(5х+2)-10(3х-3)+15=20х+8-30х+30+15=53-10х
18) 5,6-3(2-0,4х)-0,4(4х-1)=5,6-6+1,2х-1,6х+0,4=-0,4х
19) 5(х-12)+6(х-10)-(х-1)=5х-60+6х-60-х+1=10х-119
20) 4(х-1)-2(2х-8)+12=4х-4-4х+16+12=24
21) 8(5-3х)-6(2-4х)=40-24х-12+24х=28
22) 7(4х-1)+6-2(3-14х)=28х-7+6-6+28х=56х-7=7(8х-1)
23) 2(7х-7)-7(2х-3)+(7-х)=14х-14-14х+21+7-х=14-х

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