5(3n-3)+5(7-4n)=35

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Solution for 5(3n-3)+5(7-4n)=35 equation:


Simplifying
5(3n + -3) + 5(7 + -4n) = 35

Reorder the terms:
5(-3 + 3n) + 5(7 + -4n) = 35
(-3 * 5 + 3n * 5) + 5(7 + -4n) = 35
(-15 + 15n) + 5(7 + -4n) = 35
-15 + 15n + (7 * 5 + -4n * 5) = 35
-15 + 15n + (35 + -20n) = 35

Reorder the terms:
-15 + 35 + 15n + -20n = 35

Combine like terms: -15 + 35 = 20
20 + 15n + -20n = 35

Combine like terms: 15n + -20n = -5n
20 + -5n = 35

Solving
20 + -5n = 35

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 + -5n = 35 + -20

Combine like terms: 20 + -20 = 0
0 + -5n = 35 + -20
-5n = 35 + -20

Combine like terms: 35 + -20 = 15
-5n = 15

Divide each side by '-5'.
n = -3

Simplifying
n = -3

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