0.7x-0.8[15-3x]=-0.2[x-6]

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Solution for 0.7x-0.8[15-3x]=-0.2[x-6] equation:


Simplifying
0.7x + -0.8[15 + -3x] = -0.2[x + -6]
0.7x + [15 * -0.8 + -3x * -0.8] = -0.2[x + -6]
0.7x + [-12 + 2.4x] = -0.2[x + -6]

Reorder the terms:
-12 + 0.7x + 2.4x = -0.2[x + -6]

Combine like terms: 0.7x + 2.4x = 3.1x
-12 + 3.1x = -0.2[x + -6]

Reorder the terms:
-12 + 3.1x = -0.2[-6 + x]
-12 + 3.1x = [-6 * -0.2 + x * -0.2]
-12 + 3.1x = [1.2 + -0.2x]

Solving
-12 + 3.1x = 1.2 + -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.
-12 + 3.1x + 0.2x = 1.2 + -0.2x + 0.2x

Combine like terms: 3.1x + 0.2x = 3.3x
-12 + 3.3x = 1.2 + -0.2x + 0.2x

Combine like terms: -0.2x + 0.2x = 0.0
-12 + 3.3x = 1.2 + 0.0
-12 + 3.3x = 1.2

Add '12' to each side of the equation.
-12 + 12 + 3.3x = 1.2 + 12

Combine like terms: -12 + 12 = 0
0 + 3.3x = 1.2 + 12
3.3x = 1.2 + 12

Combine like terms: 1.2 + 12 = 13.2
3.3x = 13.2

Divide each side by '3.3'.
x = 4

Simplifying
x = 4

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