0.3x+21=-0.7x+8

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Solution for 0.3x+21=-0.7x+8 equation:


Simplifying
0.3x + 21 = -0.7x + 8

Reorder the terms:
21 + 0.3x = -0.7x + 8

Reorder the terms:
21 + 0.3x = 8 + -0.7x

Solving
21 + 0.3x = 8 + -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.
21 + 0.3x + 0.7x = 8 + -0.7x + 0.7x

Combine like terms: 0.3x + 0.7x = 1x
21 + 1x = 8 + -0.7x + 0.7x

Combine like terms: -0.7x + 0.7x = 0.0
21 + 1x = 8 + 0.0
21 + 1x = 8

Add '-21' to each side of the equation.
21 + -21 + 1x = 8 + -21

Combine like terms: 21 + -21 = 0
0 + 1x = 8 + -21
1x = 8 + -21

Combine like terms: 8 + -21 = -13
1x = -13

Divide each side by '1'.
x = -13

Simplifying
x = -13

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