(280+70)(1-42)-10x=40x-1680x-420x

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Solution for (280+70)(1-42)-10x=40x-1680x-420x equation:


Simplifying
(280 + 70)(1 + -42) + -10x = 40x + -1680x + -420x

Combine like terms: 280 + 70 = 350
(350)(1 + -42) + -10x = 40x + -1680x + -420x

Combine like terms: 1 + -42 = -41
350(-41) + -10x = 40x + -1680x + -420x

Multiply 350 * -41
-14350 + -10x = 40x + -1680x + -420x

Combine like terms: 40x + -1680x = -1640x
-14350 + -10x = -1640x + -420x

Combine like terms: -1640x + -420x = -2060x
-14350 + -10x = -2060x

Solving
-14350 + -10x = -2060x

Solving for variable 'x'.

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

Add '2060x' to each side of the equation.
-14350 + -10x + 2060x = -2060x + 2060x

Combine like terms: -10x + 2060x = 2050x
-14350 + 2050x = -2060x + 2060x

Combine like terms: -2060x + 2060x = 0
-14350 + 2050x = 0

Add '14350' to each side of the equation.
-14350 + 14350 + 2050x = 0 + 14350

Combine like terms: -14350 + 14350 = 0
0 + 2050x = 0 + 14350
2050x = 0 + 14350

Combine like terms: 0 + 14350 = 14350
2050x = 14350

Divide each side by '2050'.
x = 7

Simplifying
x = 7

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