7m+1.5-8m=-2.1

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Solution for 7m+1.5-8m=-2.1 equation: 


Simplifying
7m + 1.5 + -8m = -2.1

Reorder the terms:
1.5 + 7m + -8m = -2.1

Combine like terms: 7m + -8m = -1m
1.5 + -1m = -2.1

Solving
1.5 + -1m = -2.1

Solving for variable 'm'.

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

Add '-1.5' to each side of the equation.
1.5 + -1.5 + -1m = -2.1 + -1.5

Combine like terms: 1.5 + -1.5 = 0.0
0.0 + -1m = -2.1 + -1.5
-1m = -2.1 + -1.5

Combine like terms: -2.1 + -1.5 = -3.6
-1m = -3.6

Divide each side by '-1'.
m = 3.6

Simplifying
m = 3.6

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