3(3x+5)-5(x+7)=60

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Solution for 3(3x+5)-5(x+7)=60 equation:


Simplifying
3(3x + 5) + -5(x + 7) = 60

Reorder the terms:
3(5 + 3x) + -5(x + 7) = 60
(5 * 3 + 3x * 3) + -5(x + 7) = 60
(15 + 9x) + -5(x + 7) = 60

Reorder the terms:
15 + 9x + -5(7 + x) = 60
15 + 9x + (7 * -5 + x * -5) = 60
15 + 9x + (-35 + -5x) = 60

Reorder the terms:
15 + -35 + 9x + -5x = 60

Combine like terms: 15 + -35 = -20
-20 + 9x + -5x = 60

Combine like terms: 9x + -5x = 4x
-20 + 4x = 60

Solving
-20 + 4x = 60

Solving for variable 'x'.

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

Add '20' to each side of the equation.
-20 + 20 + 4x = 60 + 20

Combine like terms: -20 + 20 = 0
0 + 4x = 60 + 20
4x = 60 + 20

Combine like terms: 60 + 20 = 80
4x = 80

Divide each side by '4'.
x = 20

Simplifying
x = 20

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