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

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


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

Reorder the terms:
3(7 + 4x) = 4(5x + -3)
(7 * 3 + 4x * 3) = 4(5x + -3)
(21 + 12x) = 4(5x + -3)

Reorder the terms:
21 + 12x = 4(-3 + 5x)
21 + 12x = (-3 * 4 + 5x * 4)
21 + 12x = (-12 + 20x)

Solving
21 + 12x = -12 + 20x

Solving for variable 'x'.

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

Add '-20x' to each side of the equation.
21 + 12x + -20x = -12 + 20x + -20x

Combine like terms: 12x + -20x = -8x
21 + -8x = -12 + 20x + -20x

Combine like terms: 20x + -20x = 0
21 + -8x = -12 + 0
21 + -8x = -12

Add '-21' to each side of the equation.
21 + -21 + -8x = -12 + -21

Combine like terms: 21 + -21 = 0
0 + -8x = -12 + -21
-8x = -12 + -21

Combine like terms: -12 + -21 = -33
-8x = -33

Divide each side by '-8'.
x = 4.125

Simplifying
x = 4.125

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