.2x+.3=-.7x-2.1

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Solution for .2x+.3=-.7x-2.1 equation:


Simplifying
0.2x + 0.3 = -0.7x + -2.1

Reorder the terms:
0.3 + 0.2x = -0.7x + -2.1

Reorder the terms:
0.3 + 0.2x = -2.1 + -0.7x

Solving
0.3 + 0.2x = -2.1 + -0.7x

Solving for variable 'x'.

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

Add '0.7x' to each side of the equation.
0.3 + 0.2x + 0.7x = -2.1 + -0.7x + 0.7x

Combine like terms: 0.2x + 0.7x = 0.9x
0.3 + 0.9x = -2.1 + -0.7x + 0.7x

Combine like terms: -0.7x + 0.7x = 0.0
0.3 + 0.9x = -2.1 + 0.0
0.3 + 0.9x = -2.1

Add '-0.3' to each side of the equation.
0.3 + -0.3 + 0.9x = -2.1 + -0.3

Combine like terms: 0.3 + -0.3 = 0.0
0.0 + 0.9x = -2.1 + -0.3
0.9x = -2.1 + -0.3

Combine like terms: -2.1 + -0.3 = -2.4
0.9x = -2.4

Divide each side by '0.9'.
x = -2.666666667

Simplifying
x = -2.666666667

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