390=10(x-60)+100

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Solution for 390=10(x-60)+100 equation: 


Simplifying
390 = 10(x + -60) + 100

Reorder the terms:
390 = 10(-60 + x) + 100
390 = (-60 * 10 + x * 10) + 100
390 = (-600 + 10x) + 100

Reorder the terms:
390 = -600 + 100 + 10x

Combine like terms: -600 + 100 = -500
390 = -500 + 10x

Solving
390 = -500 + 10x

Solving for variable 'x'.

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

Add '-10x' to each side of the equation.
390 + -10x = -500 + 10x + -10x

Combine like terms: 10x + -10x = 0
390 + -10x = -500 + 0
390 + -10x = -500

Add '-390' to each side of the equation.
390 + -390 + -10x = -500 + -390

Combine like terms: 390 + -390 = 0
0 + -10x = -500 + -390
-10x = -500 + -390

Combine like terms: -500 + -390 = -890
-10x = -890

Divide each side by '-10'.
x = 89

Simplifying
x = 89

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