3(4x+7)=20x+5

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Solution for 3(4x+7)=20x+5 equation:


Simplifying
3(4x + 7) = 20x + 5

Reorder the terms:
3(7 + 4x) = 20x + 5
(7 * 3 + 4x * 3) = 20x + 5
(21 + 12x) = 20x + 5

Reorder the terms:
21 + 12x = 5 + 20x

Solving
21 + 12x = 5 + 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 = 5 + 20x + -20x

Combine like terms: 12x + -20x = -8x
21 + -8x = 5 + 20x + -20x

Combine like terms: 20x + -20x = 0
21 + -8x = 5 + 0
21 + -8x = 5

Add '-21' to each side of the equation.
21 + -21 + -8x = 5 + -21

Combine like terms: 21 + -21 = 0
0 + -8x = 5 + -21
-8x = 5 + -21

Combine like terms: 5 + -21 = -16
-8x = -16

Divide each side by '-8'.
x = 2

Simplifying
x = 2

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