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

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


Simplifying
10(x + 3) + -3(x + 3) = 0

Reorder the terms:
10(3 + x) + -3(x + 3) = 0
(3 * 10 + x * 10) + -3(x + 3) = 0
(30 + 10x) + -3(x + 3) = 0

Reorder the terms:
30 + 10x + -3(3 + x) = 0
30 + 10x + (3 * -3 + x * -3) = 0
30 + 10x + (-9 + -3x) = 0

Reorder the terms:
30 + -9 + 10x + -3x = 0

Combine like terms: 30 + -9 = 21
21 + 10x + -3x = 0

Combine like terms: 10x + -3x = 7x
21 + 7x = 0

Solving
21 + 7x = 0

Solving for variable 'x'.

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

Add '-21' to each side of the equation.
21 + -21 + 7x = 0 + -21

Combine like terms: 21 + -21 = 0
0 + 7x = 0 + -21
7x = 0 + -21

Combine like terms: 0 + -21 = -21
7x = -21

Divide each side by '7'.
x = -3

Simplifying
x = -3

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