21-48=4(x-1)-3

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Solution for 21-48=4(x-1)-3 equation:


Simplifying
21 + -48 = 4(x + -1) + -3

Combine like terms: 21 + -48 = -27
-27 = 4(x + -1) + -3

Reorder the terms:
-27 = 4(-1 + x) + -3
-27 = (-1 * 4 + x * 4) + -3
-27 = (-4 + 4x) + -3

Reorder the terms:
-27 = -4 + -3 + 4x

Combine like terms: -4 + -3 = -7
-27 = -7 + 4x

Solving
-27 = -7 + 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.
-27 + -4x = -7 + 4x + -4x

Combine like terms: 4x + -4x = 0
-27 + -4x = -7 + 0
-27 + -4x = -7

Add '27' to each side of the equation.
-27 + 27 + -4x = -7 + 27

Combine like terms: -27 + 27 = 0
0 + -4x = -7 + 27
-4x = -7 + 27

Combine like terms: -7 + 27 = 20
-4x = 20

Divide each side by '-4'.
x = -5

Simplifying
x = -5

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