7(x+4)+3x=18

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Solution for 7(x+4)+3x=18 equation:


Simplifying
7(x + 4) + 3x = 18

Reorder the terms:
7(4 + x) + 3x = 18
(4 * 7 + x * 7) + 3x = 18
(28 + 7x) + 3x = 18

Combine like terms: 7x + 3x = 10x
28 + 10x = 18

Solving
28 + 10x = 18

Solving for variable 'x'.

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

Add '-28' to each side of the equation.
28 + -28 + 10x = 18 + -28

Combine like terms: 28 + -28 = 0
0 + 10x = 18 + -28
10x = 18 + -28

Combine like terms: 18 + -28 = -10
10x = -10

Divide each side by '10'.
x = -1

Simplifying
x = -1

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