zrobi ktoś błagam. Dam do naj.... Question from @helenapiotrowska50

June 2022 2 7 Report

zrobi ktoś błagam. Dam do naj

6gxsq5trj2

Odpowiedź:

a) 4a - 8 = 32

4a = 32 + 8

4a = 40 / : 4

a = 10

b) 3x - 8 = x + 4

3x - x = 4 + 8

2x = 12 / : 2

x = 6

c) 2(3x + 1) = 4x + 18

6x + 2 = 4x + 18

6x - 4x = 18 - 2

2x = 16 / : 2

x = 8

1 votes Thanks 0

jel00n

Odpowiedź:

$a) 4a-8=32\\4a=32+8\\4a=40/:4\\a=10\\\\b)3x-8=x+4\\3x-x=4+8\\2x=12/:2\\x=6\\\\c) 2(3x+1)=4x+18\\6x+2=4x+18\\6x-4x=18-2\\2x=16/:2\\x=8$

0 votes Thanks 0

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