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

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


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

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

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

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

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

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

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

Combine like terms: x + 7x = 8x
7 + 8x = 0

Solving
7 + 8x = 0

Solving for variable 'x'.

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

Add '-7' to each side of the equation.
7 + -7 + 8x = 0 + -7

Combine like terms: 7 + -7 = 0
0 + 8x = 0 + -7
8x = 0 + -7

Combine like terms: 0 + -7 = -7
8x = -7

Divide each side by '8'.
x = -0.875

Simplifying
x = -0.875

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