4=0.7x-0.9x-6

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Solution for 4=0.7x-0.9x-6 equation:


Simplifying
4 = 0.7x + -0.9x + -6

Reorder the terms:
4 = -6 + 0.7x + -0.9x

Combine like terms: 0.7x + -0.9x = -0.2x
4 = -6 + -0.2x

Solving
4 = -6 + -0.2x

Solving for variable 'x'.

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

Add '0.2x' to each side of the equation.
4 + 0.2x = -6 + -0.2x + 0.2x

Combine like terms: -0.2x + 0.2x = 0.0
4 + 0.2x = -6 + 0.0
4 + 0.2x = -6

Add '-4' to each side of the equation.
4 + -4 + 0.2x = -6 + -4

Combine like terms: 4 + -4 = 0
0 + 0.2x = -6 + -4
0.2x = -6 + -4

Combine like terms: -6 + -4 = -10
0.2x = -10

Divide each side by '0.2'.
x = -50

Simplifying
x = -50

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