.4x(.5-.3)+7(.6x-.3)=1.7

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Solution for .4x(.5-.3)+7(.6x-.3)=1.7 equation:


Simplifying
0.4x(0.5 + -0.3) + 7(0.6x + -0.3) = 1.7

Combine like terms: 0.5 + -0.3 = 0.2
0.4x(0.2) + 7(0.6x + -0.3) = 1.7

Reorder the terms for easier multiplication:
0.4 * 0.2x + 7(0.6x + -0.3) = 1.7

Multiply 0.4 * 0.2
0.08x + 7(0.6x + -0.3) = 1.7

Reorder the terms:
0.08x + 7(-0.3 + 0.6x) = 1.7
0.08x + (-0.3 * 7 + 0.6x * 7) = 1.7
0.08x + (-2.1 + 4.2x) = 1.7

Reorder the terms:
-2.1 + 0.08x + 4.2x = 1.7

Combine like terms: 0.08x + 4.2x = 4.28x
-2.1 + 4.28x = 1.7

Solving
-2.1 + 4.28x = 1.7

Solving for variable 'x'.

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

Add '2.1' to each side of the equation.
-2.1 + 2.1 + 4.28x = 1.7 + 2.1

Combine like terms: -2.1 + 2.1 = 0.0
0.0 + 4.28x = 1.7 + 2.1
4.28x = 1.7 + 2.1

Combine like terms: 1.7 + 2.1 = 3.8
4.28x = 3.8

Divide each side by '4.28'.
x = 0.8878504673

Simplifying
x = 0.8878504673

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