(3x+4)+(7x-8)=

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Solution for (3x+4)+(7x-8)= equation:


Simplifying
(3x + 4) + (7x + -8) = 0

Reorder the terms:
(4 + 3x) + (7x + -8) = 0

Remove parenthesis around (4 + 3x)
4 + 3x + (7x + -8) = 0

Reorder the terms:
4 + 3x + (-8 + 7x) = 0

Remove parenthesis around (-8 + 7x)
4 + 3x + -8 + 7x = 0

Reorder the terms:
4 + -8 + 3x + 7x = 0

Combine like terms: 4 + -8 = -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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