3(4x-5)-9=4(4x-7)

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Solution for 3(4x-5)-9=4(4x-7) equation:


Simplifying
3(4x + -5) + -9 = 4(4x + -7)

Reorder the terms:
3(-5 + 4x) + -9 = 4(4x + -7)
(-5 * 3 + 4x * 3) + -9 = 4(4x + -7)
(-15 + 12x) + -9 = 4(4x + -7)

Reorder the terms:
-15 + -9 + 12x = 4(4x + -7)

Combine like terms: -15 + -9 = -24
-24 + 12x = 4(4x + -7)

Reorder the terms:
-24 + 12x = 4(-7 + 4x)
-24 + 12x = (-7 * 4 + 4x * 4)
-24 + 12x = (-28 + 16x)

Solving
-24 + 12x = -28 + 16x

Solving for variable 'x'.

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

Add '-16x' to each side of the equation.
-24 + 12x + -16x = -28 + 16x + -16x

Combine like terms: 12x + -16x = -4x
-24 + -4x = -28 + 16x + -16x

Combine like terms: 16x + -16x = 0
-24 + -4x = -28 + 0
-24 + -4x = -28

Add '24' to each side of the equation.
-24 + 24 + -4x = -28 + 24

Combine like terms: -24 + 24 = 0
0 + -4x = -28 + 24
-4x = -28 + 24

Combine like terms: -28 + 24 = -4
-4x = -4

Divide each side by '-4'.
x = 1

Simplifying
x = 1

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