8(M-4)-7(m+1)=-39

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Solution for 8(M-4)-7(m+1)=-39 equation: 


Simplifying
8(M + -4) + -7(m + 1) = -39

Reorder the terms:
8(-4 + M) + -7(m + 1) = -39
(-4 * 8 + M * 8) + -7(m + 1) = -39
(-32 + 8M) + -7(m + 1) = -39

Reorder the terms:
-32 + 8M + -7(1 + m) = -39
-32 + 8M + (1 * -7 + m * -7) = -39
-32 + 8M + (-7 + -7m) = -39

Reorder the terms:
-32 + -7 + 8M + -7m = -39

Combine like terms: -32 + -7 = -39
-39 + 8M + -7m = -39

Add '39' to each side of the equation.
-39 + 8M + 39 + -7m = -39 + 39

Reorder the terms:
-39 + 39 + 8M + -7m = -39 + 39

Combine like terms: -39 + 39 = 0
0 + 8M + -7m = -39 + 39
8M + -7m = -39 + 39

Combine like terms: -39 + 39 = 0
8M + -7m = 0

Solving
8M + -7m = 0

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.
8M + -7m + 7m = 0 + 7m

Combine like terms: -7m + 7m = 0
8M + 0 = 0 + 7m
8M = 0 + 7m
Remove the zero:
8M = 7m

Divide each side by '8'.
M = 0.875m

Simplifying
M = 0.875m

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