3m+21=6cm

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Solution for 3m+21=6cm equation:


Simplifying
3m + 21 = 6cm

Reorder the terms:
21 + 3m = 6cm

Solving
21 + 3m = 6cm

Solving for variable 'm'.

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

Add '-6cm' to each side of the equation.
21 + -6cm + 3m = 6cm + -6cm

Combine like terms: 6cm + -6cm = 0
21 + -6cm + 3m = 0

Add '-21' to each side of the equation.
21 + -6cm + -21 + 3m = 0 + -21

Reorder the terms:
21 + -21 + -6cm + 3m = 0 + -21

Combine like terms: 21 + -21 = 0
0 + -6cm + 3m = 0 + -21
-6cm + 3m = 0 + -21

Combine like terms: 0 + -21 = -21
-6cm + 3m = -21

Reorder the terms:
21 + -6cm + 3m = -21 + 21

Combine like terms: -21 + 21 = 0
21 + -6cm + 3m = 0

Factor out the Greatest Common Factor (GCF), '3'.
3(7 + -2cm + m) = 0

Ignore the factor 3.

Subproblem 1

Set the factor '(7 + -2cm + m)' equal to zero and attempt to solve: Simplifying 7 + -2cm + m = 0 Solving 7 + -2cm + m = 0 Move all terms containing m to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -2cm + -7 + m = 0 + -7 Reorder the terms: 7 + -7 + -2cm + m = 0 + -7 Combine like terms: 7 + -7 = 0 0 + -2cm + m = 0 + -7 -2cm + m = 0 + -7 Combine like terms: 0 + -7 = -7 -2cm + m = -7 The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined. The solution to this equation could not be determined.

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