-159=6+3(1+7m)

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Solution for -159=6+3(1+7m) equation:


Simplifying
-159 = 6 + 3(1 + 7m)
-159 = 6 + (1 * 3 + 7m * 3)
-159 = 6 + (3 + 21m)

Combine like terms: 6 + 3 = 9
-159 = 9 + 21m

Solving
-159 = 9 + 21m

Solving for variable 'm'.

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

Add '-21m' to each side of the equation.
-159 + -21m = 9 + 21m + -21m

Combine like terms: 21m + -21m = 0
-159 + -21m = 9 + 0
-159 + -21m = 9

Add '159' to each side of the equation.
-159 + 159 + -21m = 9 + 159

Combine like terms: -159 + 159 = 0
0 + -21m = 9 + 159
-21m = 9 + 159

Combine like terms: 9 + 159 = 168
-21m = 168

Divide each side by '-21'.
m = -8

Simplifying
m = -8

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