5(3x-1)-3(4x+5)=7

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Solution for 5(3x-1)-3(4x+5)=7 equation:


Simplifying
5(3x + -1) + -3(4x + 5) = 7

Reorder the terms:
5(-1 + 3x) + -3(4x + 5) = 7
(-1 * 5 + 3x * 5) + -3(4x + 5) = 7
(-5 + 15x) + -3(4x + 5) = 7

Reorder the terms:
-5 + 15x + -3(5 + 4x) = 7
-5 + 15x + (5 * -3 + 4x * -3) = 7
-5 + 15x + (-15 + -12x) = 7

Reorder the terms:
-5 + -15 + 15x + -12x = 7

Combine like terms: -5 + -15 = -20
-20 + 15x + -12x = 7

Combine like terms: 15x + -12x = 3x
-20 + 3x = 7

Solving
-20 + 3x = 7

Solving for variable 'x'.

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

Add '20' to each side of the equation.
-20 + 20 + 3x = 7 + 20

Combine like terms: -20 + 20 = 0
0 + 3x = 7 + 20
3x = 7 + 20

Combine like terms: 7 + 20 = 27
3x = 27

Divide each side by '3'.
x = 9

Simplifying
x = 9

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