3(x-5)-4=7

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


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

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

Reorder the terms:
-15 + -4 + 3x = 7

Combine like terms: -15 + -4 = -19
-19 + 3x = 7

Solving
-19 + 3x = 7

Solving for variable 'x'.

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

Add '19' to each side of the equation.
-19 + 19 + 3x = 7 + 19

Combine like terms: -19 + 19 = 0
0 + 3x = 7 + 19
3x = 7 + 19

Combine like terms: 7 + 19 = 26
3x = 26

Divide each side by '3'.
x = 8.666666667

Simplifying
x = 8.666666667

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