5m+9=3(m-5)7

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Solution for 5m+9=3(m-5)7 equation:


Simplifying
5m + 9 = 3(m + -5) * 7

Reorder the terms:
9 + 5m = 3(m + -5) * 7

Reorder the terms:
9 + 5m = 3(-5 + m) * 7

Reorder the terms for easier multiplication:
9 + 5m = 3 * 7(-5 + m)

Multiply 3 * 7
9 + 5m = 21(-5 + m)
9 + 5m = (-5 * 21 + m * 21)
9 + 5m = (-105 + 21m)

Solving
9 + 5m = -105 + 21m

Solving for variable 'm'.

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

Add '-21m' to each side of the equation.
9 + 5m + -21m = -105 + 21m + -21m

Combine like terms: 5m + -21m = -16m
9 + -16m = -105 + 21m + -21m

Combine like terms: 21m + -21m = 0
9 + -16m = -105 + 0
9 + -16m = -105

Add '-9' to each side of the equation.
9 + -9 + -16m = -105 + -9

Combine like terms: 9 + -9 = 0
0 + -16m = -105 + -9
-16m = -105 + -9

Combine like terms: -105 + -9 = -114
-16m = -114

Divide each side by '-16'.
m = 7.125

Simplifying
m = 7.125

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