-(5x+4)-(-4x-7)=1

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Solution for -(5x+4)-(-4x-7)=1 equation:


Simplifying
-1(5x + 4) + -1(-4x + -7) = 1

Reorder the terms:
-1(4 + 5x) + -1(-4x + -7) = 1
(4 * -1 + 5x * -1) + -1(-4x + -7) = 1
(-4 + -5x) + -1(-4x + -7) = 1

Reorder the terms:
-4 + -5x + -1(-7 + -4x) = 1
-4 + -5x + (-7 * -1 + -4x * -1) = 1
-4 + -5x + (7 + 4x) = 1

Reorder the terms:
-4 + 7 + -5x + 4x = 1

Combine like terms: -4 + 7 = 3
3 + -5x + 4x = 1

Combine like terms: -5x + 4x = -1x
3 + -1x = 1

Solving
3 + -1x = 1

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 = 1 + -3

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

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

Divide each side by '-1'.
x = 2

Simplifying
x = 2

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