3(x+5)+4x=-(x-5)

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Solution for 3(x+5)+4x=-(x-5) equation:


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

Reorder the terms:
3(5 + x) + 4x = -1(x + -5)
(5 * 3 + x * 3) + 4x = -1(x + -5)
(15 + 3x) + 4x = -1(x + -5)

Combine like terms: 3x + 4x = 7x
15 + 7x = -1(x + -5)

Reorder the terms:
15 + 7x = -1(-5 + x)
15 + 7x = (-5 * -1 + x * -1)
15 + 7x = (5 + -1x)

Solving
15 + 7x = 5 + -1x

Solving for variable 'x'.

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

Add 'x' to each side of the equation.
15 + 7x + x = 5 + -1x + x

Combine like terms: 7x + x = 8x
15 + 8x = 5 + -1x + x

Combine like terms: -1x + x = 0
15 + 8x = 5 + 0
15 + 8x = 5

Add '-15' to each side of the equation.
15 + -15 + 8x = 5 + -15

Combine like terms: 15 + -15 = 0
0 + 8x = 5 + -15
8x = 5 + -15

Combine like terms: 5 + -15 = -10
8x = -10

Divide each side by '8'.
x = -1.25

Simplifying
x = -1.25

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