4(1-3)+7x=9

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Solution for 4(1-3)+7x=9 equation:


Simplifying
4(1 + -3) + 7x = 9

Combine like terms: 1 + -3 = -2
4(-2) + 7x = 9

Multiply 4 * -2
-8 + 7x = 9

Solving
-8 + 7x = 9

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 + 7x = 9 + 8

Combine like terms: -8 + 8 = 0
0 + 7x = 9 + 8
7x = 9 + 8

Combine like terms: 9 + 8 = 17
7x = 17

Divide each side by '7'.
x = 2.428571429

Simplifying
x = 2.428571429

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