(2x+5)-(4x+9)=74

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Solution for (2x+5)-(4x+9)=74 equation:


Simplifying
(2x + 5) + -1(4x + 9) = 74

Reorder the terms:
(5 + 2x) + -1(4x + 9) = 74

Remove parenthesis around (5 + 2x)
5 + 2x + -1(4x + 9) = 74

Reorder the terms:
5 + 2x + -1(9 + 4x) = 74
5 + 2x + (9 * -1 + 4x * -1) = 74
5 + 2x + (-9 + -4x) = 74

Reorder the terms:
5 + -9 + 2x + -4x = 74

Combine like terms: 5 + -9 = -4
-4 + 2x + -4x = 74

Combine like terms: 2x + -4x = -2x
-4 + -2x = 74

Solving
-4 + -2x = 74

Solving for variable 'x'.

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

Add '4' to each side of the equation.
-4 + 4 + -2x = 74 + 4

Combine like terms: -4 + 4 = 0
0 + -2x = 74 + 4
-2x = 74 + 4

Combine like terms: 74 + 4 = 78
-2x = 78

Divide each side by '-2'.
x = -39

Simplifying
x = -39

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