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

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


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

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

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

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

Reorder the terms:
1 + 4x = 7(4 + x)
1 + 4x = (4 * 7 + x * 7)
1 + 4x = (28 + 7x)

Solving
1 + 4x = 28 + 7x

Solving for variable 'x'.

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

Add '-7x' to each side of the equation.
1 + 4x + -7x = 28 + 7x + -7x

Combine like terms: 4x + -7x = -3x
1 + -3x = 28 + 7x + -7x

Combine like terms: 7x + -7x = 0
1 + -3x = 28 + 0
1 + -3x = 28

Add '-1' to each side of the equation.
1 + -1 + -3x = 28 + -1

Combine like terms: 1 + -1 = 0
0 + -3x = 28 + -1
-3x = 28 + -1

Combine like terms: 28 + -1 = 27
-3x = 27

Divide each side by '-3'.
x = -9

Simplifying
x = -9

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