7n+49=21n-18

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Solution for 7n+49=21n-18 equation:


Simplifying
7n + 49 = 21n + -18

Reorder the terms:
49 + 7n = 21n + -18

Reorder the terms:
49 + 7n = -18 + 21n

Solving
49 + 7n = -18 + 21n

Solving for variable 'n'.

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

Add '-21n' to each side of the equation.
49 + 7n + -21n = -18 + 21n + -21n

Combine like terms: 7n + -21n = -14n
49 + -14n = -18 + 21n + -21n

Combine like terms: 21n + -21n = 0
49 + -14n = -18 + 0
49 + -14n = -18

Add '-49' to each side of the equation.
49 + -49 + -14n = -18 + -49

Combine like terms: 49 + -49 = 0
0 + -14n = -18 + -49
-14n = -18 + -49

Combine like terms: -18 + -49 = -67
-14n = -67

Divide each side by '-14'.
n = 4.785714286

Simplifying
n = 4.785714286

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