2x+3(x+4)=7

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Solution for 2x+3(x+4)=7 equation:


Simplifying
2x + 3(x + 4) = 7

Reorder the terms:
2x + 3(4 + x) = 7
2x + (4 * 3 + x * 3) = 7
2x + (12 + 3x) = 7

Reorder the terms:
12 + 2x + 3x = 7

Combine like terms: 2x + 3x = 5x
12 + 5x = 7

Solving
12 + 5x = 7

Solving for variable 'x'.

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

Add '-12' to each side of the equation.
12 + -12 + 5x = 7 + -12

Combine like terms: 12 + -12 = 0
0 + 5x = 7 + -12
5x = 7 + -12

Combine like terms: 7 + -12 = -5
5x = -5

Divide each side by '5'.
x = -1

Simplifying
x = -1

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