What is the answer to 80-0.8x=-0.4x ?

The answer to 80-0.8x=-0.4x is x=200

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80-0.8x=-0.4x

80 - 0.8 x = - 0.4 x

x = 200

Solution steps

80 - 0.8 x = - 0.4 x

Multiply both sides by

10

800 - 8 x = - 4 x

Move

800

to the right side

- 8 x = - 4 x - 800

Move

4 x

to the left side

- 4 x = - 800

Divide both sides by

- 4

x = 200

s^{2} + 9 = 0

x^{3} y^{3} - x^{4} y^{2}

w^{6} - 64

\frac{4 x + 1}{2} = \frac{8 x + 3}{3}

\frac{( x + h ) ^{2} - x ^{2}}{h}