44.8k views
2 votes
4.5x-7=20 what is the right answer some help please

2 Answers

4 votes

Answer:


\boxed{\bold{x=6}}

Step By Step Explanation:

Multiply Both Sides By 10


\bold{4.5x\cdot \:10-7\cdot \:10=20\cdot \:10}

Simplify


\boxed{\bold{45x-70=200}}

Add 70 To Both Sides


\bold{45x-70+70=200+70}

Simplify


\bold{45x=270}

Divide Both Sides By 45


\bold{(45x)/(45)=(270)/(45)}

Simplify


\bold{x=6}

User Joel Hager
by
6.6k points
3 votes

Answer:

x=6

Explanation:

User Anderswelt
by
6.2k points