(3x+5)+(7x-9)=

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Solution for (3x+5)+(7x-9)= equation:


Simplifying
(3x + 5) + (7x + -9) = 0

Reorder the terms:
(5 + 3x) + (7x + -9) = 0

Remove parenthesis around (5 + 3x)
5 + 3x + (7x + -9) = 0

Reorder the terms:
5 + 3x + (-9 + 7x) = 0

Remove parenthesis around (-9 + 7x)
5 + 3x + -9 + 7x = 0

Reorder the terms:
5 + -9 + 3x + 7x = 0

Combine like terms: 5 + -9 = -4
-4 + 3x + 7x = 0

Combine like terms: 3x + 7x = 10x
-4 + 10x = 0

Solving
-4 + 10x = 0

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 + 10x = 0 + 4

Combine like terms: -4 + 4 = 0
0 + 10x = 0 + 4
10x = 0 + 4

Combine like terms: 0 + 4 = 4
10x = 4

Divide each side by '10'.
x = 0.4

Simplifying
x = 0.4

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