Math, asked by chauhanakansha292, 13 hours ago

Solution of 7 (x + 8 ) = 21 is.​

Answers

Answered by Anonymous
17

Answer:

x=(-5)

Step-by-step explanation:

7(x+8)=21

7x+56=21

7x=21-56

7x=(-35)

x=(-35/7)

x=(-5)

Answered by ƦαìɳɓσωƦσѕε
22

\tt\large  \red\rightarrow \:7 (x + 8 ) = 21 \\  \\ \tt\large  \red\rightarrow \:7x \:  +  \: 56 \:  =  \: 21 \\  \\ \tt\large  \red\rightarrow \:7x \:  =  \: 21 \:  -  \: 56 \\  \\ \tt\large  \red\rightarrow \:7x \:  =  \:  - 35 \:  \:  \:  \:  \:  \:  \:  \\  \\ \tt\large  \red\rightarrow \:x \:  =  \:   \cancel\frac{ - 35}{7}  \:  \:  \:  \:  \:  \:  \:  \:  \\  \\ \tt\large  \red\rightarrow \:x \:  =  \:  - 5 \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:

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