21x+-28=49

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Solution for 21x+-28=49 equation: 


Simplifying
21x + -28 = 49

Reorder the terms:
-28 + 21x = 49

Solving
-28 + 21x = 49

Solving for variable 'x'.

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

Add '28' to each side of the equation.
-28 + 28 + 21x = 49 + 28

Combine like terms: -28 + 28 = 0
0 + 21x = 49 + 28
21x = 49 + 28

Combine like terms: 49 + 28 = 77
21x = 77

Divide each side by '21'.
x = 3.666666667

Simplifying
x = 3.666666667

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