4.2-3=0.5(8.4x+6)

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Solution for 4.2-3=0.5(8.4x+6) equation:


Simplifying
4.2 + -3 = 0.5(8.4x + 6)

Combine like terms: 4.2 + -3 = 1.2
1.2 = 0.5(8.4x + 6)

Reorder the terms:
1.2 = 0.5(6 + 8.4x)
1.2 = (6 * 0.5 + 8.4x * 0.5)
1.2 = (3 + 4.2x)

Solving
1.2 = 3 + 4.2x

Solving for variable 'x'.

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

Add '-4.2x' to each side of the equation.
1.2 + -4.2x = 3 + 4.2x + -4.2x

Combine like terms: 4.2x + -4.2x = 0.0
1.2 + -4.2x = 3 + 0.0
1.2 + -4.2x = 3

Add '-1.2' to each side of the equation.
1.2 + -1.2 + -4.2x = 3 + -1.2

Combine like terms: 1.2 + -1.2 = 0.0
0.0 + -4.2x = 3 + -1.2
-4.2x = 3 + -1.2

Combine like terms: 3 + -1.2 = 1.8
-4.2x = 1.8

Divide each side by '-4.2'.
x = -0.4285714286

Simplifying
x = -0.4285714286

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