4(x-5)+3=21

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Solution for 4(x-5)+3=21 equation:


Simplifying
4(x + -5) + 3 = 21

Reorder the terms:
4(-5 + x) + 3 = 21
(-5 * 4 + x * 4) + 3 = 21
(-20 + 4x) + 3 = 21

Reorder the terms:
-20 + 3 + 4x = 21

Combine like terms: -20 + 3 = -17
-17 + 4x = 21

Solving
-17 + 4x = 21

Solving for variable 'x'.

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

Add '17' to each side of the equation.
-17 + 17 + 4x = 21 + 17

Combine like terms: -17 + 17 = 0
0 + 4x = 21 + 17
4x = 21 + 17

Combine like terms: 21 + 17 = 38
4x = 38

Divide each side by '4'.
x = 9.5

Simplifying
x = 9.5

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