4(3x+5)-(12+5)=15

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Solution for 4(3x+5)-(12+5)=15 equation:


Simplifying
4(3x + 5) + -1(12 + 5) = 15

Reorder the terms:
4(5 + 3x) + -1(12 + 5) = 15
(5 * 4 + 3x * 4) + -1(12 + 5) = 15
(20 + 12x) + -1(12 + 5) = 15

Combine like terms: 12 + 5 = 17
20 + 12x + -1(17) = 15

Multiply -1 * 17
20 + 12x + -17 = 15

Reorder the terms:
20 + -17 + 12x = 15

Combine like terms: 20 + -17 = 3
3 + 12x = 15

Solving
3 + 12x = 15

Solving for variable 'x'.

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

Add '-3' to each side of the equation.
3 + -3 + 12x = 15 + -3

Combine like terms: 3 + -3 = 0
0 + 12x = 15 + -3
12x = 15 + -3

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

Divide each side by '12'.
x = 1

Simplifying
x = 1

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