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

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


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

Reorder the terms:
3(-9 + x) = 4(x + -7)
(-9 * 3 + x * 3) = 4(x + -7)
(-27 + 3x) = 4(x + -7)

Reorder the terms:
-27 + 3x = 4(-7 + x)
-27 + 3x = (-7 * 4 + x * 4)
-27 + 3x = (-28 + 4x)

Solving
-27 + 3x = -28 + 4x

Solving for variable 'x'.

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

Add '-4x' to each side of the equation.
-27 + 3x + -4x = -28 + 4x + -4x

Combine like terms: 3x + -4x = -1x
-27 + -1x = -28 + 4x + -4x

Combine like terms: 4x + -4x = 0
-27 + -1x = -28 + 0
-27 + -1x = -28

Add '27' to each side of the equation.
-27 + 27 + -1x = -28 + 27

Combine like terms: -27 + 27 = 0
0 + -1x = -28 + 27
-1x = -28 + 27

Combine like terms: -28 + 27 = -1
-1x = -1

Divide each side by '-1'.
x = 1

Simplifying
x = 1

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