5x+10+21+3x=

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Solution for 5x+10+21+3x= equation:


Simplifying
5x + 10 + 21 + 3x = 0

Reorder the terms:
10 + 21 + 5x + 3x = 0

Combine like terms: 10 + 21 = 31
31 + 5x + 3x = 0

Combine like terms: 5x + 3x = 8x
31 + 8x = 0

Solving
31 + 8x = 0

Solving for variable 'x'.

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

Add '-31' to each side of the equation.
31 + -31 + 8x = 0 + -31

Combine like terms: 31 + -31 = 0
0 + 8x = 0 + -31
8x = 0 + -31

Combine like terms: 0 + -31 = -31
8x = -31

Divide each side by '8'.
x = -3.875

Simplifying
x = -3.875

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