7x+30=3x-2(8x-5)

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Solution for 7x+30=3x-2(8x-5) equation:


Simplifying
7x + 30 = 3x + -2(8x + -5)

Reorder the terms:
30 + 7x = 3x + -2(8x + -5)

Reorder the terms:
30 + 7x = 3x + -2(-5 + 8x)
30 + 7x = 3x + (-5 * -2 + 8x * -2)
30 + 7x = 3x + (10 + -16x)

Reorder the terms:
30 + 7x = 10 + 3x + -16x

Combine like terms: 3x + -16x = -13x
30 + 7x = 10 + -13x

Solving
30 + 7x = 10 + -13x

Solving for variable 'x'.

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

Add '13x' to each side of the equation.
30 + 7x + 13x = 10 + -13x + 13x

Combine like terms: 7x + 13x = 20x
30 + 20x = 10 + -13x + 13x

Combine like terms: -13x + 13x = 0
30 + 20x = 10 + 0
30 + 20x = 10

Add '-30' to each side of the equation.
30 + -30 + 20x = 10 + -30

Combine like terms: 30 + -30 = 0
0 + 20x = 10 + -30
20x = 10 + -30

Combine like terms: 10 + -30 = -20
20x = -20

Divide each side by '20'.
x = -1

Simplifying
x = -1

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