Question

please solve this question​

Answer 1

Step-by-step explanation:

5x-6x+3=21-x

-x+3=21-x

-x=21-3

X=-18

Answer 2

Answer:

X=-12

5x-3(2x-1)=21+x

5*-12-3(2*-12+1)=21+(-12)

-60-3(-24+1)=21-12(because of the formula +,- = -)

-60-3(23)=21-12

-60-69=9

129=9

129/9

43/3

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