7-2x=3(x+15)

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Solution for 7-2x=3(x+15) equation:


Simplifying
7 + -2x = 3(x + 15)

Reorder the terms:
7 + -2x = 3(15 + x)
7 + -2x = (15 * 3 + x * 3)
7 + -2x = (45 + 3x)

Solving
7 + -2x = 45 + 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
7 + -2x + -3x = 45 + 3x + -3x

Combine like terms: -2x + -3x = -5x
7 + -5x = 45 + 3x + -3x

Combine like terms: 3x + -3x = 0
7 + -5x = 45 + 0
7 + -5x = 45

Add '-7' to each side of the equation.
7 + -7 + -5x = 45 + -7

Combine like terms: 7 + -7 = 0
0 + -5x = 45 + -7
-5x = 45 + -7

Combine like terms: 45 + -7 = 38
-5x = 38

Divide each side by '-5'.
x = -7.6

Simplifying
x = -7.6

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