(1x-7)-(2x-4)=17

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Solution for (1x-7)-(2x-4)=17 equation:


Simplifying
(1x + -7) + -1(2x + -4) = 17

Reorder the terms:
(-7 + 1x) + -1(2x + -4) = 17

Remove parenthesis around (-7 + 1x)
-7 + 1x + -1(2x + -4) = 17

Reorder the terms:
-7 + 1x + -1(-4 + 2x) = 17
-7 + 1x + (-4 * -1 + 2x * -1) = 17
-7 + 1x + (4 + -2x) = 17

Reorder the terms:
-7 + 4 + 1x + -2x = 17

Combine like terms: -7 + 4 = -3
-3 + 1x + -2x = 17

Combine like terms: 1x + -2x = -1x
-3 + -1x = 17

Solving
-3 + -1x = 17

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 + -1x = 17 + 3

Combine like terms: -3 + 3 = 0
0 + -1x = 17 + 3
-1x = 17 + 3

Combine like terms: 17 + 3 = 20
-1x = 20

Divide each side by '-1'.
x = -20

Simplifying
x = -20

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