130=7x+3(3x-10)

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Solution for 130=7x+3(3x-10) equation:


Simplifying
130 = 7x + 3(3x + -10)

Reorder the terms:
130 = 7x + 3(-10 + 3x)
130 = 7x + (-10 * 3 + 3x * 3)
130 = 7x + (-30 + 9x)

Reorder the terms:
130 = -30 + 7x + 9x

Combine like terms: 7x + 9x = 16x
130 = -30 + 16x

Solving
130 = -30 + 16x

Solving for variable 'x'.

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

Add '-16x' to each side of the equation.
130 + -16x = -30 + 16x + -16x

Combine like terms: 16x + -16x = 0
130 + -16x = -30 + 0
130 + -16x = -30

Add '-130' to each side of the equation.
130 + -130 + -16x = -30 + -130

Combine like terms: 130 + -130 = 0
0 + -16x = -30 + -130
-16x = -30 + -130

Combine like terms: -30 + -130 = -160
-16x = -160

Divide each side by '-16'.
x = 10

Simplifying
x = 10

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