10x-7(x+9)=1

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Solution for 10x-7(x+9)=1 equation:


Simplifying
10x + -7(x + 9) = 1

Reorder the terms:
10x + -7(9 + x) = 1
10x + (9 * -7 + x * -7) = 1
10x + (-63 + -7x) = 1

Reorder the terms:
-63 + 10x + -7x = 1

Combine like terms: 10x + -7x = 3x
-63 + 3x = 1

Solving
-63 + 3x = 1

Solving for variable 'x'.

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

Add '63' to each side of the equation.
-63 + 63 + 3x = 1 + 63

Combine like terms: -63 + 63 = 0
0 + 3x = 1 + 63
3x = 1 + 63

Combine like terms: 1 + 63 = 64
3x = 64

Divide each side by '3'.
x = 21.33333333

Simplifying
x = 21.33333333

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