.3(x+6)-.7(x+2)=4

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Solution for .3(x+6)-.7(x+2)=4 equation: 


Simplifying
0.3(x + 6) + -0.7(x + 2) = 4

Reorder the terms:
0.3(6 + x) + -0.7(x + 2) = 4
(6 * 0.3 + x * 0.3) + -0.7(x + 2) = 4
(1.8 + 0.3x) + -0.7(x + 2) = 4

Reorder the terms:
1.8 + 0.3x + -0.7(2 + x) = 4
1.8 + 0.3x + (2 * -0.7 + x * -0.7) = 4
1.8 + 0.3x + (-1.4 + -0.7x) = 4

Reorder the terms:
1.8 + -1.4 + 0.3x + -0.7x = 4

Combine like terms: 1.8 + -1.4 = 0.4
0.4 + 0.3x + -0.7x = 4

Combine like terms: 0.3x + -0.7x = -0.4x
0.4 + -0.4x = 4

Solving
0.4 + -0.4x = 4

Solving for variable 'x'.

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

Add '-0.4' to each side of the equation.
0.4 + -0.4 + -0.4x = 4 + -0.4

Combine like terms: 0.4 + -0.4 = 0.0
0.0 + -0.4x = 4 + -0.4
-0.4x = 4 + -0.4

Combine like terms: 4 + -0.4 = 3.6
-0.4x = 3.6

Divide each side by '-0.4'.
x = -9

Simplifying
x = -9

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