What is the answer to 0.4x+0.8=1.2 ?

The answer to 0.4x+0.8=1.2 is x=1

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0.4x+0.8=1.2

0.4 x + 0.8 = 1.2

x = 1

Solution steps

0.4 x + 0.8 = 1.2

Multiply both sides by

10

4 x + 8 = 12

Move

8

to the right side

4 x = 4

Divide both sides by

4

x = 1

\frac{x + 4}{3} = \frac{x + 6}{4}

20 = x - 9

(a - 3) 2 = 5 - 10 a

\frac{1}{3} (6 f + 5) + \frac{2}{3} (3 f - 1) = \frac{4}{3} f

b, f = b a^{x}