3x=120+10(x-40)

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Solution for 3x=120+10(x-40) equation:


Simplifying
3x = 120 + 10(x + -40)

Reorder the terms:
3x = 120 + 10(-40 + x)
3x = 120 + (-40 * 10 + x * 10)
3x = 120 + (-400 + 10x)

Combine like terms: 120 + -400 = -280
3x = -280 + 10x

Solving
3x = -280 + 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.
3x + -10x = -280 + 10x + -10x

Combine like terms: 3x + -10x = -7x
-7x = -280 + 10x + -10x

Combine like terms: 10x + -10x = 0
-7x = -280 + 0
-7x = -280

Divide each side by '-7'.
x = 40

Simplifying
x = 40

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