What is the answer to 3.5+2.5x=9.75 ?

The answer to 3.5+2.5x=9.75 is x= 5/2

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3.5+2.5x=9.75

3.5 + 2.5 x = 9.75

x = \frac{5}{2}

Decimal Notation

x = 2.5

Solution steps

3.5 + 2.5 x = 9.75

Multiply both sides by

100

350 + 250 x = 975

Move

350

to the right side

250 x = 625

Divide both sides by

250

x = \frac{5}{2}

\frac{3 x}{5} - \frac{2 x}{3} + \frac{1}{5} = 0

4 (2 x + 5) = 3 (x + 15)

∣ 4 - 9 ∣

2 x^{2} + 4 x - 16 = 0

ln ∣ x + 2 ∣ = 0