3(x-3)-7=18-5(x+4)

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Solution for 3(x-3)-7=18-5(x+4) equation:


Simplifying
3(x + -3) + -7 = 18 + -5(x + 4)

Reorder the terms:
3(-3 + x) + -7 = 18 + -5(x + 4)
(-3 * 3 + x * 3) + -7 = 18 + -5(x + 4)
(-9 + 3x) + -7 = 18 + -5(x + 4)

Reorder the terms:
-9 + -7 + 3x = 18 + -5(x + 4)

Combine like terms: -9 + -7 = -16
-16 + 3x = 18 + -5(x + 4)

Reorder the terms:
-16 + 3x = 18 + -5(4 + x)
-16 + 3x = 18 + (4 * -5 + x * -5)
-16 + 3x = 18 + (-20 + -5x)

Combine like terms: 18 + -20 = -2
-16 + 3x = -2 + -5x

Solving
-16 + 3x = -2 + -5x

Solving for variable 'x'.

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

Add '5x' to each side of the equation.
-16 + 3x + 5x = -2 + -5x + 5x

Combine like terms: 3x + 5x = 8x
-16 + 8x = -2 + -5x + 5x

Combine like terms: -5x + 5x = 0
-16 + 8x = -2 + 0
-16 + 8x = -2

Add '16' to each side of the equation.
-16 + 16 + 8x = -2 + 16

Combine like terms: -16 + 16 = 0
0 + 8x = -2 + 16
8x = -2 + 16

Combine like terms: -2 + 16 = 14
8x = 14

Divide each side by '8'.
x = 1.75

Simplifying
x = 1.75

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