2x+15=30(20-x)

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Solution for 2x+15=30(20-x) equation:


Simplifying
2x + 15 = 30(20 + -1x)

Reorder the terms:
15 + 2x = 30(20 + -1x)
15 + 2x = (20 * 30 + -1x * 30)
15 + 2x = (600 + -30x)

Solving
15 + 2x = 600 + -30x

Solving for variable 'x'.

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

Add '30x' to each side of the equation.
15 + 2x + 30x = 600 + -30x + 30x

Combine like terms: 2x + 30x = 32x
15 + 32x = 600 + -30x + 30x

Combine like terms: -30x + 30x = 0
15 + 32x = 600 + 0
15 + 32x = 600

Add '-15' to each side of the equation.
15 + -15 + 32x = 600 + -15

Combine like terms: 15 + -15 = 0
0 + 32x = 600 + -15
32x = 600 + -15

Combine like terms: 600 + -15 = 585
32x = 585

Divide each side by '32'.
x = 18.28125

Simplifying
x = 18.28125

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