9+8x=3(-10+7x)

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Solution for 9+8x=3(-10+7x) equation:


Simplifying
9 + 8x = 3(-10 + 7x)
9 + 8x = (-10 * 3 + 7x * 3)
9 + 8x = (-30 + 21x)

Solving
9 + 8x = -30 + 21x

Solving for variable 'x'.

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

Add '-21x' to each side of the equation.
9 + 8x + -21x = -30 + 21x + -21x

Combine like terms: 8x + -21x = -13x
9 + -13x = -30 + 21x + -21x

Combine like terms: 21x + -21x = 0
9 + -13x = -30 + 0
9 + -13x = -30

Add '-9' to each side of the equation.
9 + -9 + -13x = -30 + -9

Combine like terms: 9 + -9 = 0
0 + -13x = -30 + -9
-13x = -30 + -9

Combine like terms: -30 + -9 = -39
-13x = -39

Divide each side by '-13'.
x = 3

Simplifying
x = 3

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