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BartSMP [9]
3 years ago
15

What is the solution of |5x| = 70?

Mathematics
2 answers:
kondaur [170]3 years ago
7 0

Answer:

x=-14\:or\:x=14

Step-by-step explanation:

The given equation is

|5x|=70

This implies that;

5x=70\:or\:-5x=70

Solve for x to obtain;

x=\frac{70}{5}\:or\:x=\frac{70}{-5}

x=14\:or\:x=-14

jekas [21]3 years ago
5 0

Assignment: \bold{Solve \ \left|5x\right|=70}

<><><><><>

Answer: \boxed{\bold{x=-14\quad or\quad \:x=14}}

<><><><><>

Explanation: \downarrow\downarrow\downarrow

<><><><><>

[ Step One ] Apply Absolute Rule

Note: \bold{Absolute \ Rule \ \mathrm{If}\:|u|\:=\:a,\:a>0\:\mathrm{then}\:u\:=\:a\:\quad \mathrm{or}\quad \:u\:=\:-a}

\bold{5x=-70\quad \mathrm{or}\quad \:5x=70}

\bold{5x=-70: \ x \ = \ -14}

\bold{5x=70: \ x \ = \ 14}

[ Step Two ] Combine Solutions

\bold{x=-14\quad or \quad \:x=14}

<><><><><><><>

\bold{\rightarrow Rhythm \ Bot \leftarrow}

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