(x+3)(3+4)=40

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Solution for (x+3)(3+4)=40 equation:


Simplifying
(x + 3)(3 + 4) = 40

Reorder the terms:
(3 + x)(3 + 4) = 40

Combine like terms: 3 + 4 = 7
(3 + x)(7) = 40

Reorder the terms for easier multiplication:
7(3 + x) = 40
(3 * 7 + x * 7) = 40
(21 + 7x) = 40

Solving
21 + 7x = 40

Solving for variable 'x'.

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

Add '-21' to each side of the equation.
21 + -21 + 7x = 40 + -21

Combine like terms: 21 + -21 = 0
0 + 7x = 40 + -21
7x = 40 + -21

Combine like terms: 40 + -21 = 19
7x = 19

Divide each side by '7'.
x = 2.714285714

Simplifying
x = 2.714285714

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