2(x+5)+3(x+4)=42

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Solution for 2(x+5)+3(x+4)=42 equation:


Simplifying
2(x + 5) + 3(x + 4) = 42

Reorder the terms:
2(5 + x) + 3(x + 4) = 42
(5 * 2 + x * 2) + 3(x + 4) = 42
(10 + 2x) + 3(x + 4) = 42

Reorder the terms:
10 + 2x + 3(4 + x) = 42
10 + 2x + (4 * 3 + x * 3) = 42
10 + 2x + (12 + 3x) = 42

Reorder the terms:
10 + 12 + 2x + 3x = 42

Combine like terms: 10 + 12 = 22
22 + 2x + 3x = 42

Combine like terms: 2x + 3x = 5x
22 + 5x = 42

Solving
22 + 5x = 42

Solving for variable 'x'.

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

Add '-22' to each side of the equation.
22 + -22 + 5x = 42 + -22

Combine like terms: 22 + -22 = 0
0 + 5x = 42 + -22
5x = 42 + -22

Combine like terms: 42 + -22 = 20
5x = 20

Divide each side by '5'.
x = 4

Simplifying
x = 4

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