3(4x+5)=8(x+5)-18

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Solution for 3(4x+5)=8(x+5)-18 equation:


Simplifying
3(4x + 5) = 8(x + 5) + -18

Reorder the terms:
3(5 + 4x) = 8(x + 5) + -18
(5 * 3 + 4x * 3) = 8(x + 5) + -18
(15 + 12x) = 8(x + 5) + -18

Reorder the terms:
15 + 12x = 8(5 + x) + -18
15 + 12x = (5 * 8 + x * 8) + -18
15 + 12x = (40 + 8x) + -18

Reorder the terms:
15 + 12x = 40 + -18 + 8x

Combine like terms: 40 + -18 = 22
15 + 12x = 22 + 8x

Solving
15 + 12x = 22 + 8x

Solving for variable 'x'.

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

Add '-8x' to each side of the equation.
15 + 12x + -8x = 22 + 8x + -8x

Combine like terms: 12x + -8x = 4x
15 + 4x = 22 + 8x + -8x

Combine like terms: 8x + -8x = 0
15 + 4x = 22 + 0
15 + 4x = 22

Add '-15' to each side of the equation.
15 + -15 + 4x = 22 + -15

Combine like terms: 15 + -15 = 0
0 + 4x = 22 + -15
4x = 22 + -15

Combine like terms: 22 + -15 = 7
4x = 7

Divide each side by '4'.
x = 1.75

Simplifying
x = 1.75

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