3(2n-5)-7=4(n-9)

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Solution for 3(2n-5)-7=4(n-9) equation:


Simplifying
3(2n + -5) + -7 = 4(n + -9)

Reorder the terms:
3(-5 + 2n) + -7 = 4(n + -9)
(-5 * 3 + 2n * 3) + -7 = 4(n + -9)
(-15 + 6n) + -7 = 4(n + -9)

Reorder the terms:
-15 + -7 + 6n = 4(n + -9)

Combine like terms: -15 + -7 = -22
-22 + 6n = 4(n + -9)

Reorder the terms:
-22 + 6n = 4(-9 + n)
-22 + 6n = (-9 * 4 + n * 4)
-22 + 6n = (-36 + 4n)

Solving
-22 + 6n = -36 + 4n

Solving for variable 'n'.

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

Add '-4n' to each side of the equation.
-22 + 6n + -4n = -36 + 4n + -4n

Combine like terms: 6n + -4n = 2n
-22 + 2n = -36 + 4n + -4n

Combine like terms: 4n + -4n = 0
-22 + 2n = -36 + 0
-22 + 2n = -36

Add '22' to each side of the equation.
-22 + 22 + 2n = -36 + 22

Combine like terms: -22 + 22 = 0
0 + 2n = -36 + 22
2n = -36 + 22

Combine like terms: -36 + 22 = -14
2n = -14

Divide each side by '2'.
n = -7

Simplifying
n = -7

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