Rozwiąż wyrównania A, b,c.... Question from @sosikeskimoskik

June 2022 2 9 Report

Rozwiąż wyrównania
A, b,c

$2x+17=26-x\\\\2x+x=26-17\\\\3x=9 \ \ /:3\\\\\huge\boxed{x=3}$

$11-x=3x+8\\\\-x-3x=8-11\\\\-4x=-3 \ \ /:(-4)\\\\\huge\boxed{x=0,75}$

$-7(x+2)+4=-3x\\\\-7x-14+4=-3x\\\\-7x+3x=14-4\\\\-4x=10 \ \ /:(-4)\\\\\huge\boxed{x=-2,5}$

0 votes Thanks 0

asiunia1312

Odpowiedź:

2x + 17 = 26 - x

2x - x = 26 - 17

x = 9

11 - x = 3x+8

-x-3x = 8-11

-4x = -3 |:(-4)

x = $\frac{3}{4}$

-7(x+2)+4 = -3x

-7x-14+4=-3x

-7x+3x = 10

-10x = 10 |:(-10)

x = -1

Szczegółowe wyjaśnienie:

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