What is the answer to 1.25r-7=2.5 ?

The answer to 1.25r-7=2.5 is r= 38/5

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1.25r-7=2.5

1.25 r - 7 = 2.5

r = \frac{38}{5}

Decimal Notation

r = 7.6

Solution steps

1.25 r - 7 = 2.5

Multiply both sides by

100

125 r - 700 = 250

Move

700

to the right side

125 r = 950

Divide both sides by

125

r = \frac{38}{5}

(4 x^{2} y^{5})^{4}

(3 t - 6)^{2} - 15 (3 t - 6) + 54 = 0

6^{2} + 8^{2} = x^{2}

- 2 x - 7 \geq - 3

x^{2} - 12 x + 36