1.2=m-4.2

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Solution for 1.2=m-4.2 equation:


Simplifying
1.2 = m + -4.2

Reorder the terms:
1.2 = -4.2 + m

Solving
1.2 = -4.2 + m

Solving for variable 'm'.

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

Add '-1m' to each side of the equation.
1.2 + -1m = -4.2 + m + -1m

Combine like terms: m + -1m = 0
1.2 + -1m = -4.2 + 0
1.2 + -1m = -4.2

Add '-1.2' to each side of the equation.
1.2 + -1.2 + -1m = -4.2 + -1.2

Combine like terms: 1.2 + -1.2 = 0.0
0.0 + -1m = -4.2 + -1.2
-1m = -4.2 + -1.2

Combine like terms: -4.2 + -1.2 = -5.4
-1m = -5.4

Divide each side by '-1'.
m = 5.4

Simplifying
m = 5.4

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