28x+21=42x-14

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Solution for 28x+21=42x-14 equation:


Simplifying
28x + 21 = 42x + -14

Reorder the terms:
21 + 28x = 42x + -14

Reorder the terms:
21 + 28x = -14 + 42x

Solving
21 + 28x = -14 + 42x

Solving for variable 'x'.

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

Add '-42x' to each side of the equation.
21 + 28x + -42x = -14 + 42x + -42x

Combine like terms: 28x + -42x = -14x
21 + -14x = -14 + 42x + -42x

Combine like terms: 42x + -42x = 0
21 + -14x = -14 + 0
21 + -14x = -14

Add '-21' to each side of the equation.
21 + -21 + -14x = -14 + -21

Combine like terms: 21 + -21 = 0
0 + -14x = -14 + -21
-14x = -14 + -21

Combine like terms: -14 + -21 = -35
-14x = -35

Divide each side by '-14'.
x = 2.5

Simplifying
x = 2.5

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