3x-4(7+1)+11=0

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Solution for 3x-4(7+1)+11=0 equation:


Simplifying
3x + -4(7 + 1) + 11 = 0

Combine like terms: 7 + 1 = 8
3x + -4(8) + 11 = 0

Multiply -4 * 8
3x + -32 + 11 = 0

Reorder the terms:
-32 + 11 + 3x = 0

Combine like terms: -32 + 11 = -21
-21 + 3x = 0

Solving
-21 + 3x = 0

Solving for variable 'x'.

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

Add '21' to each side of the equation.
-21 + 21 + 3x = 0 + 21

Combine like terms: -21 + 21 = 0
0 + 3x = 0 + 21
3x = 0 + 21

Combine like terms: 0 + 21 = 21
3x = 21

Divide each side by '3'.
x = 7

Simplifying
x = 7

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