3(3x+10)=4(x+20)

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Solution for 3(3x+10)=4(x+20) equation:


Simplifying
3(3x + 10) = 4(x + 20)

Reorder the terms:
3(10 + 3x) = 4(x + 20)
(10 * 3 + 3x * 3) = 4(x + 20)
(30 + 9x) = 4(x + 20)

Reorder the terms:
30 + 9x = 4(20 + x)
30 + 9x = (20 * 4 + x * 4)
30 + 9x = (80 + 4x)

Solving
30 + 9x = 80 + 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.
30 + 9x + -4x = 80 + 4x + -4x

Combine like terms: 9x + -4x = 5x
30 + 5x = 80 + 4x + -4x

Combine like terms: 4x + -4x = 0
30 + 5x = 80 + 0
30 + 5x = 80

Add '-30' to each side of the equation.
30 + -30 + 5x = 80 + -30

Combine like terms: 30 + -30 = 0
0 + 5x = 80 + -30
5x = 80 + -30

Combine like terms: 80 + -30 = 50
5x = 50

Divide each side by '5'.
x = 10

Simplifying
x = 10

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