7(x+3)=9(2x+1)-3

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Solution for 7(x+3)=9(2x+1)-3 equation:


Simplifying
7(x + 3) = 9(2x + 1) + -3

Reorder the terms:
7(3 + x) = 9(2x + 1) + -3
(3 * 7 + x * 7) = 9(2x + 1) + -3
(21 + 7x) = 9(2x + 1) + -3

Reorder the terms:
21 + 7x = 9(1 + 2x) + -3
21 + 7x = (1 * 9 + 2x * 9) + -3
21 + 7x = (9 + 18x) + -3

Reorder the terms:
21 + 7x = 9 + -3 + 18x

Combine like terms: 9 + -3 = 6
21 + 7x = 6 + 18x

Solving
21 + 7x = 6 + 18x

Solving for variable 'x'.

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

Add '-18x' to each side of the equation.
21 + 7x + -18x = 6 + 18x + -18x

Combine like terms: 7x + -18x = -11x
21 + -11x = 6 + 18x + -18x

Combine like terms: 18x + -18x = 0
21 + -11x = 6 + 0
21 + -11x = 6

Add '-21' to each side of the equation.
21 + -21 + -11x = 6 + -21

Combine like terms: 21 + -21 = 0
0 + -11x = 6 + -21
-11x = 6 + -21

Combine like terms: 6 + -21 = -15
-11x = -15

Divide each side by '-11'.
x = 1.363636364

Simplifying
x = 1.363636364

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