3x(-5)-4=55

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Solution for 3x(-5)-4=55 equation:


Simplifying
3x(-5) + -4 = 55

Reorder the terms for easier multiplication:
3 * -5x + -4 = 55

Multiply 3 * -5
-15x + -4 = 55

Reorder the terms:
-4 + -15x = 55

Solving
-4 + -15x = 55

Solving for variable 'x'.

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

Add '4' to each side of the equation.
-4 + 4 + -15x = 55 + 4

Combine like terms: -4 + 4 = 0
0 + -15x = 55 + 4
-15x = 55 + 4

Combine like terms: 55 + 4 = 59
-15x = 59

Divide each side by '-15'.
x = -3.933333333

Simplifying
x = -3.933333333

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