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jok3333 [9.3K]
3 years ago
11

4 (a+3)=36 show all steps

Mathematics
1 answer:
PtichkaEL [24]3 years ago
5 0
4(a+3)=36
Delete the parentheses, multiplying with the number of outside, making the set of signals
4a + 12 = 36

Number with incognito are to the left of the equality and numbers without incognito are to the right, remembering that when changing of side changes the signal.

4a = 36 - 12
4a = 24
a =  \frac{24}{4}
\boxed{a = 6}

Confirm that the solution is correct:
4(a+3)=36
4(6+3)=36
4(9)=36
36=36 (TRUE)

Answer:
\boxed{a = 6}

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