7x-15=8x+3

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Solution for 7x-15=8x+3 equation:


Simplifying
7x + -15 = 8x + 3

Reorder the terms:
-15 + 7x = 8x + 3

Reorder the terms:
-15 + 7x = 3 + 8x

Solving
-15 + 7x = 3 + 8x

Solving for variable 'x'.

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

Add '-8x' to each side of the equation.
-15 + 7x + -8x = 3 + 8x + -8x

Combine like terms: 7x + -8x = -1x
-15 + -1x = 3 + 8x + -8x

Combine like terms: 8x + -8x = 0
-15 + -1x = 3 + 0
-15 + -1x = 3

Add '15' to each side of the equation.
-15 + 15 + -1x = 3 + 15

Combine like terms: -15 + 15 = 0
0 + -1x = 3 + 15
-1x = 3 + 15

Combine like terms: 3 + 15 = 18
-1x = 18

Divide each side by '-1'.
x = -18

Simplifying
x = -18

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