0.4(x+7)+1.4(x-6)=

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Solution for 0.4(x+7)+1.4(x-6)= equation:


Simplifying
0.4(x + 7) + 1.4(x + -6) = 0

Reorder the terms:
0.4(7 + x) + 1.4(x + -6) = 0
(7 * 0.4 + x * 0.4) + 1.4(x + -6) = 0
(2.8 + 0.4x) + 1.4(x + -6) = 0

Reorder the terms:
2.8 + 0.4x + 1.4(-6 + x) = 0
2.8 + 0.4x + (-6 * 1.4 + x * 1.4) = 0
2.8 + 0.4x + (-8.4 + 1.4x) = 0

Reorder the terms:
2.8 + -8.4 + 0.4x + 1.4x = 0

Combine like terms: 2.8 + -8.4 = -5.6
-5.6 + 0.4x + 1.4x = 0

Combine like terms: 0.4x + 1.4x = 1.8x
-5.6 + 1.8x = 0

Solving
-5.6 + 1.8x = 0

Solving for variable 'x'.

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

Add '5.6' to each side of the equation.
-5.6 + 5.6 + 1.8x = 0 + 5.6

Combine like terms: -5.6 + 5.6 = 0.0
0.0 + 1.8x = 0 + 5.6
1.8x = 0 + 5.6

Combine like terms: 0 + 5.6 = 5.6
1.8x = 5.6

Divide each side by '1.8'.
x = 3.111111111

Simplifying
x = 3.111111111

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