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allochka39001 [22]
3 years ago
15

3(x+4.5)=36 What does x equal

Mathematics
2 answers:
Musya8 [376]3 years ago
8 0

Answer:

x=7.5

Step-by-step explanation:

step 1: do distribute property to the equation.Multiply 3 by everything inside the parenthesis

3(x+4.5)=36

3x+13.5=36

step 2: subtract 13.5 by it self to cancel out and by 36

3x+13.5=36

    -13.5  -13.5

--------------------

3x=22.5

step 3: divide by 3

3x=22.5

x=7.5

step 4:Substitue x into the equation

3(7.5+4.5)=36

<em>3(12)=36</em>

<em />

pychu [463]3 years ago
5 0

(36÷3)-4.5

x=12-4.5

x=7.5#

*I'm not quite sure* I'm really sorry if it is wrong

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