1=0.4x-0.7x-8

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Solution for 1=0.4x-0.7x-8 equation: 


Simplifying
1 = 0.4x + -0.7x + -8

Reorder the terms:
1 = -8 + 0.4x + -0.7x

Combine like terms: 0.4x + -0.7x = -0.3x
1 = -8 + -0.3x

Solving
1 = -8 + -0.3x

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '0.3x' to each side of the equation.
1 + 0.3x = -8 + -0.3x + 0.3x

Combine like terms: -0.3x + 0.3x = 0.0
1 + 0.3x = -8 + 0.0
1 + 0.3x = -8

Add '-1' to each side of the equation.
1 + -1 + 0.3x = -8 + -1

Combine like terms: 1 + -1 = 0
0 + 0.3x = -8 + -1
0.3x = -8 + -1

Combine like terms: -8 + -1 = -9
0.3x = -9

Divide each side by '0.3'.
x = -30

Simplifying
x = -30

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