4x+18=7(x+3)

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


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

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

Reorder the terms:
18 + 4x = 7(3 + x)
18 + 4x = (3 * 7 + x * 7)
18 + 4x = (21 + 7x)

Solving
18 + 4x = 21 + 7x

Solving for variable 'x'.

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

Add '-7x' to each side of the equation.
18 + 4x + -7x = 21 + 7x + -7x

Combine like terms: 4x + -7x = -3x
18 + -3x = 21 + 7x + -7x

Combine like terms: 7x + -7x = 0
18 + -3x = 21 + 0
18 + -3x = 21

Add '-18' to each side of the equation.
18 + -18 + -3x = 21 + -18

Combine like terms: 18 + -18 = 0
0 + -3x = 21 + -18
-3x = 21 + -18

Combine like terms: 21 + -18 = 3
-3x = 3

Divide each side by '-3'.
x = -1

Simplifying
x = -1

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