3x+5=2(4x+20)

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Solution for 3x+5=2(4x+20) equation:


Simplifying
3x + 5 = 2(4x + 20)

Reorder the terms:
5 + 3x = 2(4x + 20)

Reorder the terms:
5 + 3x = 2(20 + 4x)
5 + 3x = (20 * 2 + 4x * 2)
5 + 3x = (40 + 8x)

Solving
5 + 3x = 40 + 8x

Solving for variable 'x'.

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

Add '-8x' to each side of the equation.
5 + 3x + -8x = 40 + 8x + -8x

Combine like terms: 3x + -8x = -5x
5 + -5x = 40 + 8x + -8x

Combine like terms: 8x + -8x = 0
5 + -5x = 40 + 0
5 + -5x = 40

Add '-5' to each side of the equation.
5 + -5 + -5x = 40 + -5

Combine like terms: 5 + -5 = 0
0 + -5x = 40 + -5
-5x = 40 + -5

Combine like terms: 40 + -5 = 35
-5x = 35

Divide each side by '-5'.
x = -7

Simplifying
x = -7

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