3[7-5(x-3)]=15

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Solution for 3[7-5(x-3)]=15 equation:


Simplifying
3[7 + -5(x + -3)] = 15

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

Combine like terms: 7 + 15 = 22
3[22 + -5x] = 15
[22 * 3 + -5x * 3] = 15
[66 + -15x] = 15

Solving
66 + -15x = 15

Solving for variable 'x'.

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

Add '-66' to each side of the equation.
66 + -66 + -15x = 15 + -66

Combine like terms: 66 + -66 = 0
0 + -15x = 15 + -66
-15x = 15 + -66

Combine like terms: 15 + -66 = -51
-15x = -51

Divide each side by '-15'.
x = 3.4

Simplifying
x = 3.4

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