Solve: 7(3 – m) = 28
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Answer:
Simplifying
7 + 3m = 28
Solving
7 + 3m = 28
Solving for variable 'm'.
Move all terms containing m to the left, all other terms to the right.
Add '-7' to each side of the equation.
7 + -7 + 3m = 28 + -7
Combine like terms: 7 + -7 = 0
0 + 3m = 28 + -7
3m = 28 + -7
Combine like terms: 28 + -7 = 21
3m = 21
Divide each side by '3'.
m = 7
Simplifying
m = 7
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