ava73986 ava73986

18-05-2021
Mathematics

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Can someone help me with these ??

Can someone help me with these class=

Respuesta :

hussennasr hussennasr

18-05-2021

Answer:

4. 19+x=23 when x=4

5. (5×8a)+(5×2) is an equivalent to 5(8a+2)

6. 5x=45 x=45/5=9

2x-8=12 2x=20 x=10

40=25+3x 3x=35 x=15

7. 2+(-2) is equal to zero

7-(-10) is positive

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