-13=5[1+4M]-2M

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Solution for -13=5[1+4M]-2M equation:


Simplifying
-13 = 5[1 + 4M] + -2M
-13 = [1 * 5 + 4M * 5] + -2M
-13 = [5 + 20M] + -2M

Combine like terms: 20M + -2M = 18M
-13 = 5 + 18M

Solving
-13 = 5 + 18M

Solving for variable 'M'.

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

Add '-18M' to each side of the equation.
-13 + -18M = 5 + 18M + -18M

Combine like terms: 18M + -18M = 0
-13 + -18M = 5 + 0
-13 + -18M = 5

Add '13' to each side of the equation.
-13 + 13 + -18M = 5 + 13

Combine like terms: -13 + 13 = 0
0 + -18M = 5 + 13
-18M = 5 + 13

Combine like terms: 5 + 13 = 18
-18M = 18

Divide each side by '-18'.
M = -1

Simplifying
M = -1

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