7x+4(26-x)=128

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Solution for 7x+4(26-x)=128 equation:


Simplifying
7x + 4(26 + -1x) = 128
7x + (26 * 4 + -1x * 4) = 128
7x + (104 + -4x) = 128

Reorder the terms:
104 + 7x + -4x = 128

Combine like terms: 7x + -4x = 3x
104 + 3x = 128

Solving
104 + 3x = 128

Solving for variable 'x'.

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

Add '-104' to each side of the equation.
104 + -104 + 3x = 128 + -104

Combine like terms: 104 + -104 = 0
0 + 3x = 128 + -104
3x = 128 + -104

Combine like terms: 128 + -104 = 24
3x = 24

Divide each side by '3'.
x = 8

Simplifying
x = 8

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