7(3n+5)=7(9n+9)+4

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Solution for 7(3n+5)=7(9n+9)+4 equation:


Simplifying
7(3n + 5) = 7(9n + 9) + 4

Reorder the terms:
7(5 + 3n) = 7(9n + 9) + 4
(5 * 7 + 3n * 7) = 7(9n + 9) + 4
(35 + 21n) = 7(9n + 9) + 4

Reorder the terms:
35 + 21n = 7(9 + 9n) + 4
35 + 21n = (9 * 7 + 9n * 7) + 4
35 + 21n = (63 + 63n) + 4

Reorder the terms:
35 + 21n = 63 + 4 + 63n

Combine like terms: 63 + 4 = 67
35 + 21n = 67 + 63n

Solving
35 + 21n = 67 + 63n

Solving for variable 'n'.

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

Add '-63n' to each side of the equation.
35 + 21n + -63n = 67 + 63n + -63n

Combine like terms: 21n + -63n = -42n
35 + -42n = 67 + 63n + -63n

Combine like terms: 63n + -63n = 0
35 + -42n = 67 + 0
35 + -42n = 67

Add '-35' to each side of the equation.
35 + -35 + -42n = 67 + -35

Combine like terms: 35 + -35 = 0
0 + -42n = 67 + -35
-42n = 67 + -35

Combine like terms: 67 + -35 = 32
-42n = 32

Divide each side by '-42'.
n = -0.7619047619

Simplifying
n = -0.7619047619

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