0.4(x-4)=2.8

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Solution for 0.4(x-4)=2.8 equation:


Simplifying
0.4(x + -4) = 2.8

Reorder the terms:
0.4(-4 + x) = 2.8
(-4 * 0.4 + x * 0.4) = 2.8
(-1.6 + 0.4x) = 2.8

Solving
-1.6 + 0.4x = 2.8

Solving for variable 'x'.

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

Add '1.6' to each side of the equation.
-1.6 + 1.6 + 0.4x = 2.8 + 1.6

Combine like terms: -1.6 + 1.6 = 0.0
0.0 + 0.4x = 2.8 + 1.6
0.4x = 2.8 + 1.6

Combine like terms: 2.8 + 1.6 = 4.4
0.4x = 4.4

Divide each side by '0.4'.
x = 11

Simplifying
x = 11

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