7(3+x)+(5-4x)=

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Solution for 7(3+x)+(5-4x)= equation:


Simplifying
7(3 + x) + (5 + -4x) = 0
(3 * 7 + x * 7) + (5 + -4x) = 0
(21 + 7x) + (5 + -4x) = 0

Remove parenthesis around (5 + -4x)
21 + 7x + 5 + -4x = 0

Reorder the terms:
21 + 5 + 7x + -4x = 0

Combine like terms: 21 + 5 = 26
26 + 7x + -4x = 0

Combine like terms: 7x + -4x = 3x
26 + 3x = 0

Solving
26 + 3x = 0

Solving for variable 'x'.

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

Add '-26' to each side of the equation.
26 + -26 + 3x = 0 + -26

Combine like terms: 26 + -26 = 0
0 + 3x = 0 + -26
3x = 0 + -26

Combine like terms: 0 + -26 = -26
3x = -26

Divide each side by '3'.
x = -8.666666667

Simplifying
x = -8.666666667

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