7x+1.5+1.6x-0.4x-4=

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Solution for 7x+1.5+1.6x-0.4x-4= equation:


Simplifying
7x + 1.5 + 1.6x + -0.4x + -4 = 0

Reorder the terms:
1.5 + -4 + 7x + 1.6x + -0.4x = 0

Combine like terms: 1.5 + -4 = -2.5
-2.5 + 7x + 1.6x + -0.4x = 0

Combine like terms: 7x + 1.6x = 8.6x
-2.5 + 8.6x + -0.4x = 0

Combine like terms: 8.6x + -0.4x = 8.2x
-2.5 + 8.2x = 0

Solving
-2.5 + 8.2x = 0

Solving for variable 'x'.

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

Add '2.5' to each side of the equation.
-2.5 + 2.5 + 8.2x = 0 + 2.5

Combine like terms: -2.5 + 2.5 = 0.0
0.0 + 8.2x = 0 + 2.5
8.2x = 0 + 2.5

Combine like terms: 0 + 2.5 = 2.5
8.2x = 2.5

Divide each side by '8.2'.
x = 0.3048780488

Simplifying
x = 0.3048780488

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