7x-15-4x=-18

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Solution for 7x-15-4x=-18 equation:


Simplifying
7x + -15 + -4x = -18

Reorder the terms:
-15 + 7x + -4x = -18

Combine like terms: 7x + -4x = 3x
-15 + 3x = -18

Solving
-15 + 3x = -18

Solving for variable 'x'.

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

Add '15' to each side of the equation.
-15 + 15 + 3x = -18 + 15

Combine like terms: -15 + 15 = 0
0 + 3x = -18 + 15
3x = -18 + 15

Combine like terms: -18 + 15 = -3
3x = -3

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

Simplifying
x = -1

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