7(2x-3)+3=21

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Solution for 7(2x-3)+3=21 equation:


Simplifying
7(2x + -3) + 3 = 21

Reorder the terms:
7(-3 + 2x) + 3 = 21
(-3 * 7 + 2x * 7) + 3 = 21
(-21 + 14x) + 3 = 21

Reorder the terms:
-21 + 3 + 14x = 21

Combine like terms: -21 + 3 = -18
-18 + 14x = 21

Solving
-18 + 14x = 21

Solving for variable 'x'.

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

Add '18' to each side of the equation.
-18 + 18 + 14x = 21 + 18

Combine like terms: -18 + 18 = 0
0 + 14x = 21 + 18
14x = 21 + 18

Combine like terms: 21 + 18 = 39
14x = 39

Divide each side by '14'.
x = 2.785714286

Simplifying
x = 2.785714286

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