3(x-0.4)-0.1(5x-2)=3

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Solution for 3(x-0.4)-0.1(5x-2)=3 equation:


Simplifying
3(x + -0.4) + -0.1(5x + -2) = 3

Reorder the terms:
3(-0.4 + x) + -0.1(5x + -2) = 3
(-0.4 * 3 + x * 3) + -0.1(5x + -2) = 3
(-1.2 + 3x) + -0.1(5x + -2) = 3

Reorder the terms:
-1.2 + 3x + -0.1(-2 + 5x) = 3
-1.2 + 3x + (-2 * -0.1 + 5x * -0.1) = 3
-1.2 + 3x + (0.2 + -0.5x) = 3

Reorder the terms:
-1.2 + 0.2 + 3x + -0.5x = 3

Combine like terms: -1.2 + 0.2 = -1
-1 + 3x + -0.5x = 3

Combine like terms: 3x + -0.5x = 2.5x
-1 + 2.5x = 3

Solving
-1 + 2.5x = 3

Solving for variable 'x'.

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

Add '1' to each side of the equation.
-1 + 1 + 2.5x = 3 + 1

Combine like terms: -1 + 1 = 0
0 + 2.5x = 3 + 1
2.5x = 3 + 1

Combine like terms: 3 + 1 = 4
2.5x = 4

Divide each side by '2.5'.
x = 1.6

Simplifying
x = 1.6

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