3(x+5)-3=75-4x

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Solution for 3(x+5)-3=75-4x equation:


Simplifying
3(x + 5) + -3 = 75 + -4x

Reorder the terms:
3(5 + x) + -3 = 75 + -4x
(5 * 3 + x * 3) + -3 = 75 + -4x
(15 + 3x) + -3 = 75 + -4x

Reorder the terms:
15 + -3 + 3x = 75 + -4x

Combine like terms: 15 + -3 = 12
12 + 3x = 75 + -4x

Solving
12 + 3x = 75 + -4x

Solving for variable 'x'.

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

Add '4x' to each side of the equation.
12 + 3x + 4x = 75 + -4x + 4x

Combine like terms: 3x + 4x = 7x
12 + 7x = 75 + -4x + 4x

Combine like terms: -4x + 4x = 0
12 + 7x = 75 + 0
12 + 7x = 75

Add '-12' to each side of the equation.
12 + -12 + 7x = 75 + -12

Combine like terms: 12 + -12 = 0
0 + 7x = 75 + -12
7x = 75 + -12

Combine like terms: 75 + -12 = 63
7x = 63

Divide each side by '7'.
x = 9

Simplifying
x = 9

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