[20 points] -x + 4 = 9

Mathematics

2 answers:

ohaa [14]2 years ago

8 0

Answer:

Step-by-step explanation:

Let's solve your equation step-by-step.

−x+4=9

Step 1: Subtract 4 from both sides.

−x+4−4=9−4

−x=5

Step 2: Divide both sides by -1.

−x /−1 = 5 /-1

x=−5

Answer:

x=−5

sveta [45]2 years ago

4 0

Answer: x = -5

Step-by-step explanation:

-x + 4 = 9

-4 -4

-x = 5

divide by -1 on both sides

x = -5

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$\bf \stackrel{fish}{1.4\times 10^8}~~+~~\stackrel{reptiles}{9.4\times 10^6}
\\\\\\
\stackrel{fish}{140000000}~~+~~\stackrel{reptiles}{9400000}\implies 
\begin{array}{rrrrllll}
140000000\\
+9400000\\
\text{\textemdash\textemdash\textemdash\textemdash\textemdash}\\
149400000
\end{array}\implies 1.494\times 10^8$