3x+21+8x=-34

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Solution for 3x+21+8x=-34 equation:


Simplifying
3x + 21 + 8x = -34

Reorder the terms:
21 + 3x + 8x = -34

Combine like terms: 3x + 8x = 11x
21 + 11x = -34

Solving
21 + 11x = -34

Solving for variable 'x'.

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

Add '-21' to each side of the equation.
21 + -21 + 11x = -34 + -21

Combine like terms: 21 + -21 = 0
0 + 11x = -34 + -21
11x = -34 + -21

Combine like terms: -34 + -21 = -55
11x = -55

Divide each side by '11'.
x = -5

Simplifying
x = -5

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