Answer :
Answer and Step-by-step explanation:
To solve for r,
You must take all the values away from r to the other side of the equal sign. We do this using our operations: Addition, Subtraction, Multiplication, and Division.
First, we see that -3.54 isn't connected to r directly, so we can add that to both sides of the equation to get rid of -3.54 on the left side of the equation.
2.5(r - 4.4) + -3.54 + 3.54 = 6.46 + 3.54
2.5(r - 4.4) = 10
Next, we see that 2.5 is multiplying the expression (r - 4.4). We would need to divide both sides of the equation by 2.5.
[tex]\frac{2.5(r - 4.4)}{2.5} =\frac{10}{2.5}[/tex]
r - 4.4 = 4
Finally, we must add 4.4 from both sides to get r by itself.
r - 4.4 + 4.4 = 4 + 4.4
r = 8.4
The answer is 8.4
I hope this helps!
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