x-10=3(x+20)

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


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

Reorder the terms:
-10 + x = 3(x + 20)

Reorder the terms:
-10 + x = 3(20 + x)
-10 + x = (20 * 3 + x * 3)
-10 + x = (60 + 3x)

Solving
-10 + x = 60 + 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
-10 + x + -3x = 60 + 3x + -3x

Combine like terms: x + -3x = -2x
-10 + -2x = 60 + 3x + -3x

Combine like terms: 3x + -3x = 0
-10 + -2x = 60 + 0
-10 + -2x = 60

Add '10' to each side of the equation.
-10 + 10 + -2x = 60 + 10

Combine like terms: -10 + 10 = 0
0 + -2x = 60 + 10
-2x = 60 + 10

Combine like terms: 60 + 10 = 70
-2x = 70

Divide each side by '-2'.
x = -35

Simplifying
x = -35

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