(40x-78)-(3x+5)=12

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Solution for (40x-78)-(3x+5)=12 equation:


Simplifying
(40x + -78) + -1(3x + 5) = 12

Reorder the terms:
(-78 + 40x) + -1(3x + 5) = 12

Remove parenthesis around (-78 + 40x)
-78 + 40x + -1(3x + 5) = 12

Reorder the terms:
-78 + 40x + -1(5 + 3x) = 12
-78 + 40x + (5 * -1 + 3x * -1) = 12
-78 + 40x + (-5 + -3x) = 12

Reorder the terms:
-78 + -5 + 40x + -3x = 12

Combine like terms: -78 + -5 = -83
-83 + 40x + -3x = 12

Combine like terms: 40x + -3x = 37x
-83 + 37x = 12

Solving
-83 + 37x = 12

Solving for variable 'x'.

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

Add '83' to each side of the equation.
-83 + 83 + 37x = 12 + 83

Combine like terms: -83 + 83 = 0
0 + 37x = 12 + 83
37x = 12 + 83

Combine like terms: 12 + 83 = 95
37x = 95

Divide each side by '37'.
x = 2.567567568

Simplifying
x = 2.567567568

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