3M+4=7M+8

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Solution for 3M+4=7M+8 equation: 


Simplifying
3M + 4 = 7M + 8

Reorder the terms:
4 + 3M = 7M + 8

Reorder the terms:
4 + 3M = 8 + 7M

Solving
4 + 3M = 8 + 7M

Solving for variable 'M'.

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

Add '-7M' to each side of the equation.
4 + 3M + -7M = 8 + 7M + -7M

Combine like terms: 3M + -7M = -4M
4 + -4M = 8 + 7M + -7M

Combine like terms: 7M + -7M = 0
4 + -4M = 8 + 0
4 + -4M = 8

Add '-4' to each side of the equation.
4 + -4 + -4M = 8 + -4

Combine like terms: 4 + -4 = 0
0 + -4M = 8 + -4
-4M = 8 + -4

Combine like terms: 8 + -4 = 4
-4M = 4

Divide each side by '-4'.
M = -1

Simplifying
M = -1

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