23=3(M-1)-1

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Solution for 23=3(M-1)-1 equation:


Simplifying
23 = 3(M + -1) + -1

Reorder the terms:
23 = 3(-1 + M) + -1
23 = (-1 * 3 + M * 3) + -1
23 = (-3 + 3M) + -1

Reorder the terms:
23 = -3 + -1 + 3M

Combine like terms: -3 + -1 = -4
23 = -4 + 3M

Solving
23 = -4 + 3M

Solving for variable 'M'.

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

Add '-3M' to each side of the equation.
23 + -3M = -4 + 3M + -3M

Combine like terms: 3M + -3M = 0
23 + -3M = -4 + 0
23 + -3M = -4

Add '-23' to each side of the equation.
23 + -23 + -3M = -4 + -23

Combine like terms: 23 + -23 = 0
0 + -3M = -4 + -23
-3M = -4 + -23

Combine like terms: -4 + -23 = -27
-3M = -27

Divide each side by '-3'.
M = 9

Simplifying
M = 9

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