x+1(x+1-9)=70

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Solution for x+1(x+1-9)=70 equation:


Simplifying
x + 1(x + 1 + -9) = 70

Reorder the terms:
x + 1(1 + -9 + x) = 70

Combine like terms: 1 + -9 = -8
x + 1(-8 + x) = 70
x + (-8 * 1 + x * 1) = 70
x + (-8 + 1x) = 70

Reorder the terms:
-8 + x + 1x = 70

Combine like terms: x + 1x = 2x
-8 + 2x = 70

Solving
-8 + 2x = 70

Solving for variable 'x'.

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

Add '8' to each side of the equation.
-8 + 8 + 2x = 70 + 8

Combine like terms: -8 + 8 = 0
0 + 2x = 70 + 8
2x = 70 + 8

Combine like terms: 70 + 8 = 78
2x = 78

Divide each side by '2'.
x = 39

Simplifying
x = 39

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