7(4+3n)+4(2n-2)=49

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Solution for 7(4+3n)+4(2n-2)=49 equation:


Simplifying
7(4 + 3n) + 4(2n + -2) = 49
(4 * 7 + 3n * 7) + 4(2n + -2) = 49
(28 + 21n) + 4(2n + -2) = 49

Reorder the terms:
28 + 21n + 4(-2 + 2n) = 49
28 + 21n + (-2 * 4 + 2n * 4) = 49
28 + 21n + (-8 + 8n) = 49

Reorder the terms:
28 + -8 + 21n + 8n = 49

Combine like terms: 28 + -8 = 20
20 + 21n + 8n = 49

Combine like terms: 21n + 8n = 29n
20 + 29n = 49

Solving
20 + 29n = 49

Solving for variable 'n'.

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

Add '-20' to each side of the equation.
20 + -20 + 29n = 49 + -20

Combine like terms: 20 + -20 = 0
0 + 29n = 49 + -20
29n = 49 + -20

Combine like terms: 49 + -20 = 29
29n = 29

Divide each side by '29'.
n = 1

Simplifying
n = 1

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