30x+21=-45x-8

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Solution for 30x+21=-45x-8 equation:


Simplifying
30x + 21 = -45x + -8

Reorder the terms:
21 + 30x = -45x + -8

Reorder the terms:
21 + 30x = -8 + -45x

Solving
21 + 30x = -8 + -45x

Solving for variable 'x'.

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

Add '45x' to each side of the equation.
21 + 30x + 45x = -8 + -45x + 45x

Combine like terms: 30x + 45x = 75x
21 + 75x = -8 + -45x + 45x

Combine like terms: -45x + 45x = 0
21 + 75x = -8 + 0
21 + 75x = -8

Add '-21' to each side of the equation.
21 + -21 + 75x = -8 + -21

Combine like terms: 21 + -21 = 0
0 + 75x = -8 + -21
75x = -8 + -21

Combine like terms: -8 + -21 = -29
75x = -29

Divide each side by '75'.
x = -0.3866666667

Simplifying
x = -0.3866666667

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