3x+34+21-7x=

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Solution for 3x+34+21-7x= equation:


Simplifying
3x + 34 + 21 + -7x = 0

Reorder the terms:
34 + 21 + 3x + -7x = 0

Combine like terms: 34 + 21 = 55
55 + 3x + -7x = 0

Combine like terms: 3x + -7x = -4x
55 + -4x = 0

Solving
55 + -4x = 0

Solving for variable 'x'.

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

Add '-55' to each side of the equation.
55 + -55 + -4x = 0 + -55

Combine like terms: 55 + -55 = 0
0 + -4x = 0 + -55
-4x = 0 + -55

Combine like terms: 0 + -55 = -55
-4x = -55

Divide each side by '-4'.
x = 13.75

Simplifying
x = 13.75

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