What is the answer to 8+1.4r=26 ?

The answer to 8+1.4r=26 is r= 90/7

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8+1.4r=26

8 + 1.4 r = 26

r = \frac{90}{7}

Decimal Notation

r = 12.85714 \dots

Solution steps

8 + 1.4 r = 26

Multiply both sides by

10

80 + 14 r = 260

Move

80

to the right side

14 r = 180

Divide both sides by

14

r = \frac{90}{7}

x, - 3 x + 8 y = 12

x, (y - 4) 2 = - 8 (x + 1)

5 z - 9 = 4 z - 2

x, 5 y = - 2 x - 4

7 (x - 2) = 21