7x-(3x+4)=8x-1

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Solution for 7x-(3x+4)=8x-1 equation:


Simplifying
7x + -1(3x + 4) = 8x + -1

Reorder the terms:
7x + -1(4 + 3x) = 8x + -1
7x + (4 * -1 + 3x * -1) = 8x + -1
7x + (-4 + -3x) = 8x + -1

Reorder the terms:
-4 + 7x + -3x = 8x + -1

Combine like terms: 7x + -3x = 4x
-4 + 4x = 8x + -1

Reorder the terms:
-4 + 4x = -1 + 8x

Solving
-4 + 4x = -1 + 8x

Solving for variable 'x'.

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

Add '-8x' to each side of the equation.
-4 + 4x + -8x = -1 + 8x + -8x

Combine like terms: 4x + -8x = -4x
-4 + -4x = -1 + 8x + -8x

Combine like terms: 8x + -8x = 0
-4 + -4x = -1 + 0
-4 + -4x = -1

Add '4' to each side of the equation.
-4 + 4 + -4x = -1 + 4

Combine like terms: -4 + 4 = 0
0 + -4x = -1 + 4
-4x = -1 + 4

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

Divide each side by '-4'.
x = -0.75

Simplifying
x = -0.75

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