5M+8(2M-9)=54

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Solution for 5M+8(2M-9)=54 equation:


Simplifying
5M + 8(2M + -9) = 54

Reorder the terms:
5M + 8(-9 + 2M) = 54
5M + (-9 * 8 + 2M * 8) = 54
5M + (-72 + 16M) = 54

Reorder the terms:
-72 + 5M + 16M = 54

Combine like terms: 5M + 16M = 21M
-72 + 21M = 54

Solving
-72 + 21M = 54

Solving for variable 'M'.

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

Add '72' to each side of the equation.
-72 + 72 + 21M = 54 + 72

Combine like terms: -72 + 72 = 0
0 + 21M = 54 + 72
21M = 54 + 72

Combine like terms: 54 + 72 = 126
21M = 126

Divide each side by '21'.
M = 6

Simplifying
M = 6

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