-1x-7=1.6+x+0.4

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Solution for -1x-7=1.6+x+0.4 equation:


Simplifying
-1x + -7 = 1.6 + x + 0.4

Reorder the terms:
-7 + -1x = 1.6 + x + 0.4

Reorder the terms:
-7 + -1x = 1.6 + 0.4 + x

Combine like terms: 1.6 + 0.4 = 2
-7 + -1x = 2 + x

Solving
-7 + -1x = 2 + x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
-7 + -1x + -1x = 2 + x + -1x

Combine like terms: -1x + -1x = -2x
-7 + -2x = 2 + x + -1x

Combine like terms: x + -1x = 0
-7 + -2x = 2 + 0
-7 + -2x = 2

Add '7' to each side of the equation.
-7 + 7 + -2x = 2 + 7

Combine like terms: -7 + 7 = 0
0 + -2x = 2 + 7
-2x = 2 + 7

Combine like terms: 2 + 7 = 9
-2x = 9

Divide each side by '-2'.
x = -4.5

Simplifying
x = -4.5

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