(3x+4)-(10x-40)=x+4

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Solution for (3x+4)-(10x-40)=x+4 equation:


Simplifying
(3x + 4) + -1(10x + -40) = x + 4

Reorder the terms:
(4 + 3x) + -1(10x + -40) = x + 4

Remove parenthesis around (4 + 3x)
4 + 3x + -1(10x + -40) = x + 4

Reorder the terms:
4 + 3x + -1(-40 + 10x) = x + 4
4 + 3x + (-40 * -1 + 10x * -1) = x + 4
4 + 3x + (40 + -10x) = x + 4

Reorder the terms:
4 + 40 + 3x + -10x = x + 4

Combine like terms: 4 + 40 = 44
44 + 3x + -10x = x + 4

Combine like terms: 3x + -10x = -7x
44 + -7x = x + 4

Reorder the terms:
44 + -7x = 4 + x

Solving
44 + -7x = 4 + x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
44 + -7x + -1x = 4 + x + -1x

Combine like terms: -7x + -1x = -8x
44 + -8x = 4 + x + -1x

Combine like terms: x + -1x = 0
44 + -8x = 4 + 0
44 + -8x = 4

Add '-44' to each side of the equation.
44 + -44 + -8x = 4 + -44

Combine like terms: 44 + -44 = 0
0 + -8x = 4 + -44
-8x = 4 + -44

Combine like terms: 4 + -44 = -40
-8x = -40

Divide each side by '-8'.
x = 5

Simplifying
x = 5

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