3(10)=3x+2x+9+7

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Solution for 3(10)=3x+2x+9+7 equation:


Simplifying
3(10) = 3x + 2x + 9 + 7

Multiply 3 * 10
30 = 3x + 2x + 9 + 7

Reorder the terms:
30 = 9 + 7 + 3x + 2x

Combine like terms: 9 + 7 = 16
30 = 16 + 3x + 2x

Combine like terms: 3x + 2x = 5x
30 = 16 + 5x

Solving
30 = 16 + 5x

Solving for variable 'x'.

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

Add '-5x' to each side of the equation.
30 + -5x = 16 + 5x + -5x

Combine like terms: 5x + -5x = 0
30 + -5x = 16 + 0
30 + -5x = 16

Add '-30' to each side of the equation.
30 + -30 + -5x = 16 + -30

Combine like terms: 30 + -30 = 0
0 + -5x = 16 + -30
-5x = 16 + -30

Combine like terms: 16 + -30 = -14
-5x = -14

Divide each side by '-5'.
x = 2.8

Simplifying
x = 2.8

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