4.2=-2.8x

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Solution for 4.2=-2.8x equation:


Simplifying
4.2 = -2.8x

Solving
4.2 = -2.8x

Solving for variable 'x'.

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

Add '2.8x' to each side of the equation.
4.2 + 2.8x = -2.8x + 2.8x

Combine like terms: -2.8x + 2.8x = 0.0
4.2 + 2.8x = 0.0

Add '-4.2' to each side of the equation.
4.2 + -4.2 + 2.8x = 0.0 + -4.2

Combine like terms: 4.2 + -4.2 = 0.0
0.0 + 2.8x = 0.0 + -4.2
2.8x = 0.0 + -4.2

Combine like terms: 0.0 + -4.2 = -4.2
2.8x = -4.2

Divide each side by '2.8'.
x = -1.5

Simplifying
x = -1.5

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