78.4=7(m+2.8)

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Solution for 78.4=7(m+2.8) equation:


Simplifying
78.4 = 7(m + 2.8)

Reorder the terms:
78.4 = 7(2.8 + m)
78.4 = (2.8 * 7 + m * 7)
78.4 = (19.6 + 7m)

Solving
78.4 = 19.6 + 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.
78.4 + -7m = 19.6 + 7m + -7m

Combine like terms: 7m + -7m = 0
78.4 + -7m = 19.6 + 0
78.4 + -7m = 19.6

Add '-78.4' to each side of the equation.
78.4 + -78.4 + -7m = 19.6 + -78.4

Combine like terms: 78.4 + -78.4 = 0.0
0.0 + -7m = 19.6 + -78.4
-7m = 19.6 + -78.4

Combine like terms: 19.6 + -78.4 = -58.8
-7m = -58.8

Divide each side by '-7'.
m = 8.4

Simplifying
m = 8.4

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