What is the answer to 0.4x+8=0.6x-7 ?

The answer to 0.4x+8=0.6x-7 is x=75

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0.4x+8=0.6x-7

0.4 x + 8 = 0.6 x - 7

x = 75

Solution steps

0.4 x + 8 = 0.6 x - 7

Multiply both sides by

10

4 x + 80 = 6 x - 70

Move

80

to the right side

4 x = 6 x - 150

Move

6 x

to the left side

- 2 x = - 150

Divide both sides by

- 2

x = 75

\frac{x}{12} - 9 = - 10

x^{2} + 6 x = - 3

\frac{1}{3} x = \frac{7}{3}

\frac{a - 1}{6 a + 6} - \frac{a + 3}{9 a + 9}

- \frac{9}{8} (2)^{3}