What is the answer to 34.5r+78.5(810-r)=29,45 ?

The answer to 34.5r+78.5(810-r)=29,45 is r= 15889/11

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34.5r+78.5(810-r)=29,45

34.5 r + 78.5 (810 - r) = 29, 45

r = \frac{15889}{11}

Decimal Notation

r = 1444.45454 \dots

Solution steps

34.5 r + 78.5 (810 - r) = 29

Multiply both sides by

10

345 r + 785 (810 - r) = 290

Expand

345 r + 785 (810 - r) : - 440 r + 635850

- 440 r + 635850 = 290

Move

635850

to the right side

- 440 r = - 635560

Divide both sides by

- 440

r = \frac{15889}{11}

\frac{6}{5} w = 1

5 x = - 75

x, y - 3 = 3 (x + 4)

2 x + 1 = 3 x - 2

\frac{4 ( 2 x - 5 )}{7} = \frac{3 ( 2 x + 1 )}{5}

What is the answer to 34.5r+78.5(810-r)=29,45 ?
The answer to 34.5r+78.5(810-r)=29,45 is r= 15889/11
Solve for r: 34.5r+78.5(810-r)=29,45
The solution is r= 15889/11