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mafiozo [28]
3 years ago
7

Solve the equations 7(x+4)=21 iready​

Mathematics
2 answers:
mina [271]3 years ago
7 0

Step-by-step explanation:

\bullet\hookrightarrow\sf 7 (x+4)=21

\bullet\Rrightarrow\sf 7x+28=21

\bullet\rightarrowtail\sf 7x=21-28

\bullet\twoheadrightarrow\sf 7x=-7

\bullet\looparrowright\sf x=\dfrac{-7}{7}

\bullet\rightharpoonup\sf x=-1

Nitella [24]3 years ago
7 0

Answer:

mark me as brainliest and follow and like me

Step-by-step explanation:

7x+28=21

7x=-7

x=-1

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