2x-(7x-3)=20

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Solution for 2x-(7x-3)=20 equation:


Simplifying
2x + -1(7x + -3) = 20

Reorder the terms:
2x + -1(-3 + 7x) = 20
2x + (-3 * -1 + 7x * -1) = 20
2x + (3 + -7x) = 20

Reorder the terms:
3 + 2x + -7x = 20

Combine like terms: 2x + -7x = -5x
3 + -5x = 20

Solving
3 + -5x = 20

Solving for variable 'x'.

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

Add '-3' to each side of the equation.
3 + -3 + -5x = 20 + -3

Combine like terms: 3 + -3 = 0
0 + -5x = 20 + -3
-5x = 20 + -3

Combine like terms: 20 + -3 = 17
-5x = 17

Divide each side by '-5'.
x = -3.4

Simplifying
x = -3.4

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