3x+34=21x-74

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Solution for 3x+34=21x-74 equation:


Simplifying
3x + 34 = 21x + -74

Reorder the terms:
34 + 3x = 21x + -74

Reorder the terms:
34 + 3x = -74 + 21x

Solving
34 + 3x = -74 + 21x

Solving for variable 'x'.

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

Add '-21x' to each side of the equation.
34 + 3x + -21x = -74 + 21x + -21x

Combine like terms: 3x + -21x = -18x
34 + -18x = -74 + 21x + -21x

Combine like terms: 21x + -21x = 0
34 + -18x = -74 + 0
34 + -18x = -74

Add '-34' to each side of the equation.
34 + -34 + -18x = -74 + -34

Combine like terms: 34 + -34 = 0
0 + -18x = -74 + -34
-18x = -74 + -34

Combine like terms: -74 + -34 = -108
-18x = -108

Divide each side by '-18'.
x = 6

Simplifying
x = 6

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