7x-2(x-10)=4

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Solution for 7x-2(x-10)=4 equation:


Simplifying
7x + -2(x + -10) = 4

Reorder the terms:
7x + -2(-10 + x) = 4
7x + (-10 * -2 + x * -2) = 4
7x + (20 + -2x) = 4

Reorder the terms:
20 + 7x + -2x = 4

Combine like terms: 7x + -2x = 5x
20 + 5x = 4

Solving
20 + 5x = 4

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 + 5x = 4 + -20

Combine like terms: 20 + -20 = 0
0 + 5x = 4 + -20
5x = 4 + -20

Combine like terms: 4 + -20 = -16
5x = -16

Divide each side by '5'.
x = -3.2

Simplifying
x = -3.2

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