7x+2(x-30)=30-(x+3)

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Solution for 7x+2(x-30)=30-(x+3) equation:


Simplifying
7x + 2(x + -30) = 30 + -1(x + 3)

Reorder the terms:
7x + 2(-30 + x) = 30 + -1(x + 3)
7x + (-30 * 2 + x * 2) = 30 + -1(x + 3)
7x + (-60 + 2x) = 30 + -1(x + 3)

Reorder the terms:
-60 + 7x + 2x = 30 + -1(x + 3)

Combine like terms: 7x + 2x = 9x
-60 + 9x = 30 + -1(x + 3)

Reorder the terms:
-60 + 9x = 30 + -1(3 + x)
-60 + 9x = 30 + (3 * -1 + x * -1)
-60 + 9x = 30 + (-3 + -1x)

Combine like terms: 30 + -3 = 27
-60 + 9x = 27 + -1x

Solving
-60 + 9x = 27 + -1x

Solving for variable 'x'.

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

Add 'x' to each side of the equation.
-60 + 9x + x = 27 + -1x + x

Combine like terms: 9x + x = 10x
-60 + 10x = 27 + -1x + x

Combine like terms: -1x + x = 0
-60 + 10x = 27 + 0
-60 + 10x = 27

Add '60' to each side of the equation.
-60 + 60 + 10x = 27 + 60

Combine like terms: -60 + 60 = 0
0 + 10x = 27 + 60
10x = 27 + 60

Combine like terms: 27 + 60 = 87
10x = 87

Divide each side by '10'.
x = 8.7

Simplifying
x = 8.7

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