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

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


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

Reorder the terms:
7(5 + 3x) = 5(x + -3) + -18
(5 * 7 + 3x * 7) = 5(x + -3) + -18
(35 + 21x) = 5(x + -3) + -18

Reorder the terms:
35 + 21x = 5(-3 + x) + -18
35 + 21x = (-3 * 5 + x * 5) + -18
35 + 21x = (-15 + 5x) + -18

Reorder the terms:
35 + 21x = -15 + -18 + 5x

Combine like terms: -15 + -18 = -33
35 + 21x = -33 + 5x

Solving
35 + 21x = -33 + 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.
35 + 21x + -5x = -33 + 5x + -5x

Combine like terms: 21x + -5x = 16x
35 + 16x = -33 + 5x + -5x

Combine like terms: 5x + -5x = 0
35 + 16x = -33 + 0
35 + 16x = -33

Add '-35' to each side of the equation.
35 + -35 + 16x = -33 + -35

Combine like terms: 35 + -35 = 0
0 + 16x = -33 + -35
16x = -33 + -35

Combine like terms: -33 + -35 = -68
16x = -68

Divide each side by '16'.
x = -4.25

Simplifying
x = -4.25

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