10(x-3)-x+2-2(x+1)=3(3+x)-9

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Solution for 10(x-3)-x+2-2(x+1)=3(3+x)-9 equation:


Simplifying
10(x + -3) + -1x + 2 + -2(x + 1) = 3(3 + x) + -9

Reorder the terms:
10(-3 + x) + -1x + 2 + -2(x + 1) = 3(3 + x) + -9
(-3 * 10 + x * 10) + -1x + 2 + -2(x + 1) = 3(3 + x) + -9
(-30 + 10x) + -1x + 2 + -2(x + 1) = 3(3 + x) + -9

Reorder the terms:
-30 + 10x + -1x + 2 + -2(1 + x) = 3(3 + x) + -9
-30 + 10x + -1x + 2 + (1 * -2 + x * -2) = 3(3 + x) + -9
-30 + 10x + -1x + 2 + (-2 + -2x) = 3(3 + x) + -9

Reorder the terms:
-30 + 2 + -2 + 10x + -1x + -2x = 3(3 + x) + -9

Combine like terms: -30 + 2 = -28
-28 + -2 + 10x + -1x + -2x = 3(3 + x) + -9

Combine like terms: -28 + -2 = -30
-30 + 10x + -1x + -2x = 3(3 + x) + -9

Combine like terms: 10x + -1x = 9x
-30 + 9x + -2x = 3(3 + x) + -9

Combine like terms: 9x + -2x = 7x
-30 + 7x = 3(3 + x) + -9
-30 + 7x = (3 * 3 + x * 3) + -9
-30 + 7x = (9 + 3x) + -9

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

Combine like terms: 9 + -9 = 0
-30 + 7x = 0 + 3x
-30 + 7x = 3x

Solving
-30 + 7x = 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
-30 + 7x + -3x = 3x + -3x

Combine like terms: 7x + -3x = 4x
-30 + 4x = 3x + -3x

Combine like terms: 3x + -3x = 0
-30 + 4x = 0

Add '30' to each side of the equation.
-30 + 30 + 4x = 0 + 30

Combine like terms: -30 + 30 = 0
0 + 4x = 0 + 30
4x = 0 + 30

Combine like terms: 0 + 30 = 30
4x = 30

Divide each side by '4'.
x = 7.5

Simplifying
x = 7.5

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