помогите (2x-1)+3x=11 (x-5)-(2-2x)=6 (4x-1)-(3x+1)=2 -(3x+5)+(4-7x=4. Created by nastyaryabova20. matematika-ru

помогите (2x-1)+3x=11 (x-5)-(2-2x)=6 (4x-1)-(3x+1)=2 -(3x+5)+(4-7x=4...

July 2022 1 9 Report

помогите
(2x-1)+3x=11
(x-5)-(2-2x)=6
(4x-1)-(3x+1)=2
-(3x+5)+(4-7x=4

Answers & Comments

mrkreepper (2x-1)+3x=11
2x-1+3x=11
2x+3x=1+11
5x=12
x=12:5
x= 2,4

(x-5)-(2-2x)=6
x-5-2+2x=6
x+2x=5+2+6
3x=13
x=4.33333333333

(4x-1)-(3x+1)=2
4x-1-3x-1=2
4x-3x=1+1+2
x=4

-(3x+5)+(4-7x)=4
-3x-5+4-7x=4
-3x-7x=5-4+4
-10x=5
x= -5

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