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

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


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

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

Reorder the terms:
15 + 3x = 4(-4 + x)
15 + 3x = (-4 * 4 + x * 4)
15 + 3x = (-16 + 4x)

Solving
15 + 3x = -16 + 4x

Solving for variable 'x'.

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

Add '-4x' to each side of the equation.
15 + 3x + -4x = -16 + 4x + -4x

Combine like terms: 3x + -4x = -1x
15 + -1x = -16 + 4x + -4x

Combine like terms: 4x + -4x = 0
15 + -1x = -16 + 0
15 + -1x = -16

Add '-15' to each side of the equation.
15 + -15 + -1x = -16 + -15

Combine like terms: 15 + -15 = 0
0 + -1x = -16 + -15
-1x = -16 + -15

Combine like terms: -16 + -15 = -31
-1x = -31

Divide each side by '-1'.
x = 31

Simplifying
x = 31

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