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Arada [10]
3 years ago
10

Rewrite 20 = 8x + 4r

Mathematics
1 answer:
3241004551 [841]3 years ago
4 0

Answer:

Step-by-step explanation:

20 = 8x + 4r can be rewritten in multiple ways.

1.  Reduce the coefficients:  5 = 2x + r

or

2.  Solve for r:  r = 5 - 2x

or

                                 5 - r

3.  Solve for x:  x = -----------

                                    2

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..The total of Joshua's savings and $350 is $925.<br><br><br> Please help
Vlad [161]

Answer:

Joshua's Savings = $575

Step-by-step explanation:

If the total amount is $925 and you added $350 to x (Josh's Savings) than all we have to do is subtract the $350 from the $920 to solve for x,...

$925 - $350 = $575

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3 years ago
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What is the exact solution to the equation 2^2x=5^x−1 ?
Ann [662]

2^2x=5^x−1

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Now solve for x:

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Factor x out of 2xln(2)-ln(5)x

x(2ln(2) - ln(5)) = -ln(5)

Divide both sides by (2ln(2) - ln(5))

X = - ln(5) / (2ln(2) - ln(5))

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Ok i will help you in this subject
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