3(4x-35)=5(x+21)

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Solution for 3(4x-35)=5(x+21) equation:


Simplifying
3(4x + -35) = 5(x + 21)

Reorder the terms:
3(-35 + 4x) = 5(x + 21)
(-35 * 3 + 4x * 3) = 5(x + 21)
(-105 + 12x) = 5(x + 21)

Reorder the terms:
-105 + 12x = 5(21 + x)
-105 + 12x = (21 * 5 + x * 5)
-105 + 12x = (105 + 5x)

Solving
-105 + 12x = 105 + 5x

Solving for variable 'x'.

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

Add '-5x' to each side of the equation.
-105 + 12x + -5x = 105 + 5x + -5x

Combine like terms: 12x + -5x = 7x
-105 + 7x = 105 + 5x + -5x

Combine like terms: 5x + -5x = 0
-105 + 7x = 105 + 0
-105 + 7x = 105

Add '105' to each side of the equation.
-105 + 105 + 7x = 105 + 105

Combine like terms: -105 + 105 = 0
0 + 7x = 105 + 105
7x = 105 + 105

Combine like terms: 105 + 105 = 210
7x = 210

Divide each side by '7'.
x = 30

Simplifying
x = 30

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