0.3=0.4(m+7)

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Solution for 0.3=0.4(m+7) equation: 


Simplifying
0.3 = 0.4(m + 7)

Reorder the terms:
0.3 = 0.4(7 + m)
0.3 = (7 * 0.4 + m * 0.4)
0.3 = (2.8 + 0.4m)

Solving
0.3 = 2.8 + 0.4m

Solving for variable 'm'.

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

Add '-0.4m' to each side of the equation.
0.3 + -0.4m = 2.8 + 0.4m + -0.4m

Combine like terms: 0.4m + -0.4m = 0.0
0.3 + -0.4m = 2.8 + 0.0
0.3 + -0.4m = 2.8

Add '-0.3' to each side of the equation.
0.3 + -0.3 + -0.4m = 2.8 + -0.3

Combine like terms: 0.3 + -0.3 = 0.0
0.0 + -0.4m = 2.8 + -0.3
-0.4m = 2.8 + -0.3

Combine like terms: 2.8 + -0.3 = 2.5
-0.4m = 2.5

Divide each side by '-0.4'.
m = -6.25

Simplifying
m = -6.25

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