0.87x+3=x-0.9

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Solution for 0.87x+3=x-0.9 equation:


Simplifying
0.87x + 3 = x + -0.9

Reorder the terms:
3 + 0.87x = x + -0.9

Reorder the terms:
3 + 0.87x = -0.9 + x

Solving
3 + 0.87x = -0.9 + x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
3 + 0.87x + -1x = -0.9 + x + -1x

Combine like terms: 0.87x + -1x = -0.13x
3 + -0.13x = -0.9 + x + -1x

Combine like terms: x + -1x = 0
3 + -0.13x = -0.9 + 0
3 + -0.13x = -0.9

Add '-3' to each side of the equation.
3 + -3 + -0.13x = -0.9 + -3

Combine like terms: 3 + -3 = 0
0 + -0.13x = -0.9 + -3
-0.13x = -0.9 + -3

Combine like terms: -0.9 + -3 = -3.9
-0.13x = -3.9

Divide each side by '-0.13'.
x = 30

Simplifying
x = 30

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