128=6(7+5x)-4

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Solution for 128=6(7+5x)-4 equation:


Simplifying
128 = 6(7 + 5x) + -4
128 = (7 * 6 + 5x * 6) + -4
128 = (42 + 30x) + -4

Reorder the terms:
128 = 42 + -4 + 30x

Combine like terms: 42 + -4 = 38
128 = 38 + 30x

Solving
128 = 38 + 30x

Solving for variable 'x'.

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

Add '-30x' to each side of the equation.
128 + -30x = 38 + 30x + -30x

Combine like terms: 30x + -30x = 0
128 + -30x = 38 + 0
128 + -30x = 38

Add '-128' to each side of the equation.
128 + -128 + -30x = 38 + -128

Combine like terms: 128 + -128 = 0
0 + -30x = 38 + -128
-30x = 38 + -128

Combine like terms: 38 + -128 = -90
-30x = -90

Divide each side by '-30'.
x = 3

Simplifying
x = 3

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