7x-3(4x-7)=9x-2

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Solution for 7x-3(4x-7)=9x-2 equation:


Simplifying
7x + -3(4x + -7) = 9x + -2

Reorder the terms:
7x + -3(-7 + 4x) = 9x + -2
7x + (-7 * -3 + 4x * -3) = 9x + -2
7x + (21 + -12x) = 9x + -2

Reorder the terms:
21 + 7x + -12x = 9x + -2

Combine like terms: 7x + -12x = -5x
21 + -5x = 9x + -2

Reorder the terms:
21 + -5x = -2 + 9x

Solving
21 + -5x = -2 + 9x

Solving for variable 'x'.

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

Add '-9x' to each side of the equation.
21 + -5x + -9x = -2 + 9x + -9x

Combine like terms: -5x + -9x = -14x
21 + -14x = -2 + 9x + -9x

Combine like terms: 9x + -9x = 0
21 + -14x = -2 + 0
21 + -14x = -2

Add '-21' to each side of the equation.
21 + -21 + -14x = -2 + -21

Combine like terms: 21 + -21 = 0
0 + -14x = -2 + -21
-14x = -2 + -21

Combine like terms: -2 + -21 = -23
-14x = -23

Divide each side by '-14'.
x = 1.642857143

Simplifying
x = 1.642857143

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