-7x+30x-(12+10x)+5=20

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Solution for -7x+30x-(12+10x)+5=20 equation:


Simplifying
-7x + 30x + -1(12 + 10x) + 5 = 20
-7x + 30x + (12 * -1 + 10x * -1) + 5 = 20
-7x + 30x + (-12 + -10x) + 5 = 20

Reorder the terms:
-12 + 5 + -7x + 30x + -10x = 20

Combine like terms: -12 + 5 = -7
-7 + -7x + 30x + -10x = 20

Combine like terms: -7x + 30x = 23x
-7 + 23x + -10x = 20

Combine like terms: 23x + -10x = 13x
-7 + 13x = 20

Solving
-7 + 13x = 20

Solving for variable 'x'.

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

Add '7' to each side of the equation.
-7 + 7 + 13x = 20 + 7

Combine like terms: -7 + 7 = 0
0 + 13x = 20 + 7
13x = 20 + 7

Combine like terms: 20 + 7 = 27
13x = 27

Divide each side by '13'.
x = 2.076923077

Simplifying
x = 2.076923077

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