15-43=3(x-1)-4

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Solution for 15-43=3(x-1)-4 equation: 


Simplifying
15 + -43 = 3(x + -1) + -4

Combine like terms: 15 + -43 = -28
-28 = 3(x + -1) + -4

Reorder the terms:
-28 = 3(-1 + x) + -4
-28 = (-1 * 3 + x * 3) + -4
-28 = (-3 + 3x) + -4

Reorder the terms:
-28 = -3 + -4 + 3x

Combine like terms: -3 + -4 = -7
-28 = -7 + 3x

Solving
-28 = -7 + 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
-28 + -3x = -7 + 3x + -3x

Combine like terms: 3x + -3x = 0
-28 + -3x = -7 + 0
-28 + -3x = -7

Add '28' to each side of the equation.
-28 + 28 + -3x = -7 + 28

Combine like terms: -28 + 28 = 0
0 + -3x = -7 + 28
-3x = -7 + 28

Combine like terms: -7 + 28 = 21
-3x = 21

Divide each side by '-3'.
x = -7

Simplifying
x = -7

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