3(x+5)+4=7

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Solution for 3(x+5)+4=7 equation:


Simplifying
3(x + 5) + 4 = 7

Reorder the terms:
3(5 + x) + 4 = 7
(5 * 3 + x * 3) + 4 = 7
(15 + 3x) + 4 = 7

Reorder the terms:
15 + 4 + 3x = 7

Combine like terms: 15 + 4 = 19
19 + 3x = 7

Solving
19 + 3x = 7

Solving for variable 'x'.

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

Add '-19' to each side of the equation.
19 + -19 + 3x = 7 + -19

Combine like terms: 19 + -19 = 0
0 + 3x = 7 + -19
3x = 7 + -19

Combine like terms: 7 + -19 = -12
3x = -12

Divide each side by '3'.
x = -4

Simplifying
x = -4

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