a) 3x – 1 = 5 – 4x – 1 b) 4x – 6 = - 3x - 8 c) -2 (x+3) + 4(2x + 3) = -3x + 6 Proszę na teraz!!!!.... Question from @Sentoslolol

May 2022 2 6 Report

a) 3x – 1 = 5 – 4x – 1
b) 4x – 6 = - 3x - 8
c) -2 (x+3) + 4(2x + 3) = -3x + 6

Proszę na teraz!!!!

Odpowiedź:

$a)\\\\3x-1=5-4x-1\\\\3x-1=4-4x\\\\3x+4x=4+1\\\\7x=5\ \ /:7\\\\x=\frac{5}{7}\\\\\\b)\\\\4x-6=-3x-8\\\\4x+3x=-8+6\\\\7x=-2\ \ /:7\\\\x=-\frac{2}{7}\\\\\\c)\\\\-2(x+3)+4(2x+3)=-3x+6\\\\-2x-6+8x+12=-3x+6\\\\6x+6=-3x+6\\\\6x+3x=6-6\\\\9x=0\ \ /:9\\\\x=0$

1 votes Thanks 1

annamunarip2wx6v

Odpowiedź:

Szczegółowe wyjaśnienie:

A 3X+4X=5-1+1

7X=5 / :7

X=5/7

B 4X+3X = -8+6

7X= -2 /:7

X= - 2/7

C -2X-6+8X+12=-3X+6

6X+3X=6+6-12

9X=0

0 votes Thanks 0

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