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

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


Simplifying
-7(2 + 3n) + 7 = -7 + -3(4n + -3)
(2 * -7 + 3n * -7) + 7 = -7 + -3(4n + -3)
(-14 + -21n) + 7 = -7 + -3(4n + -3)

Reorder the terms:
-14 + 7 + -21n = -7 + -3(4n + -3)

Combine like terms: -14 + 7 = -7
-7 + -21n = -7 + -3(4n + -3)

Reorder the terms:
-7 + -21n = -7 + -3(-3 + 4n)
-7 + -21n = -7 + (-3 * -3 + 4n * -3)
-7 + -21n = -7 + (9 + -12n)

Combine like terms: -7 + 9 = 2
-7 + -21n = 2 + -12n

Solving
-7 + -21n = 2 + -12n

Solving for variable 'n'.

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

Add '12n' to each side of the equation.
-7 + -21n + 12n = 2 + -12n + 12n

Combine like terms: -21n + 12n = -9n
-7 + -9n = 2 + -12n + 12n

Combine like terms: -12n + 12n = 0
-7 + -9n = 2 + 0
-7 + -9n = 2

Add '7' to each side of the equation.
-7 + 7 + -9n = 2 + 7

Combine like terms: -7 + 7 = 0
0 + -9n = 2 + 7
-9n = 2 + 7

Combine like terms: 2 + 7 = 9
-9n = 9

Divide each side by '-9'.
n = -1

Simplifying
n = -1

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