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5 votes
Which number make this number sentence true (4+5)+3=(2+3)+​
please help

1 Answer

2 votes

Answer:

7

Explanation:

Let x stand for the unknown number

(4+5)+3=(2+3)+​x

First, solve the numbers in paratheses,

(4+5)+3=(2+3)+

9+3=5+x

Then combine like terms

12=5+x

Finally, subtract 5 from both sides

12-5=5-5+x

7=x, therefore 7 makes the statement true.

User TomDestry
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