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1 vote
7x(15+4) = (7x ) + (7+4)

1 Answer

4 votes
Add the numbers inside the parentheses
7x(15+4)=(7x)+(7+4)
and you get
7x*19= 7x+11

Calculate the product
133x=7x+11

Move variable to the left hand side & change its sign
133x-7x=11

Collect like terms
126x=11

Divide both sides by 126 & you get
x=11/126


Answer: x= 11/126

Hope this helps ʕ•ᴥ•ʔ
User Ponny
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