18-3[m-(3)2]=7

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Solution for 18-3[m-(3)2]=7 equation:


Simplifying
18 + -3[m + -1(3) * 2] = 7

Multiply -1 * 3
18 + -3[m + -3 * 2] = 7

Multiply -3 * 2
18 + -3[m + -6] = 7

Reorder the terms:
18 + -3[-6 + m] = 7
18 + [-6 * -3 + m * -3] = 7
18 + [18 + -3m] = 7

Combine like terms: 18 + 18 = 36
36 + -3m = 7

Solving
36 + -3m = 7

Solving for variable 'm'.

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

Add '-36' to each side of the equation.
36 + -36 + -3m = 7 + -36

Combine like terms: 36 + -36 = 0
0 + -3m = 7 + -36
-3m = 7 + -36

Combine like terms: 7 + -36 = -29
-3m = -29

Divide each side by '-3'.
m = 9.666666667

Simplifying
m = 9.666666667

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