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

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


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

Reorder the terms:
3(-7 + x) + 4(x + 4) = 0
(-7 * 3 + x * 3) + 4(x + 4) = 0
(-21 + 3x) + 4(x + 4) = 0

Reorder the terms:
-21 + 3x + 4(4 + x) = 0
-21 + 3x + (4 * 4 + x * 4) = 0
-21 + 3x + (16 + 4x) = 0

Reorder the terms:
-21 + 16 + 3x + 4x = 0

Combine like terms: -21 + 16 = -5
-5 + 3x + 4x = 0

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

Solving
-5 + 7x = 0

Solving for variable 'x'.

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

Add '5' to each side of the equation.
-5 + 5 + 7x = 0 + 5

Combine like terms: -5 + 5 = 0
0 + 7x = 0 + 5
7x = 0 + 5

Combine like terms: 0 + 5 = 5
7x = 5

Divide each side by '7'.
x = 0.7142857143

Simplifying
x = 0.7142857143

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