Simplify the following expression and justify each step in your simplification. 5(7-x)+6x(3x+4)
2 answers:
Answer:
The simplified form of the given expression is .
Step-by-step explanation:
The given expression is
We need to find the simplified form of the given expression.
Using distributive property we get
On further simplification we get
On combine like terms.
Therefore the simplified form of the given expression is .
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This is a proportion problem that involves cross-multiplication
Set your problem up like so:
= 
Now cross multiply
2,000 x 3 = 6,000
now you're left with 5x = 6,000
Now divide by 5 on both sides
Answer is 1,200
Set your problem up like so:
Now cross multiply
2,000 x 3 = 6,000
now you're left with 5x = 6,000
Now divide by 5 on both sides
Answer is 1,200