7x-(4x+9)7=

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


Simplifying
7x + -1(4x + 9) * 7 = 0

Reorder the terms:
7x + -1(9 + 4x) * 7 = 0

Reorder the terms for easier multiplication:
7x + -1 * 7(9 + 4x) = 0

Multiply -1 * 7
7x + -7(9 + 4x) = 0
7x + (9 * -7 + 4x * -7) = 0
7x + (-63 + -28x) = 0

Reorder the terms:
-63 + 7x + -28x = 0

Combine like terms: 7x + -28x = -21x
-63 + -21x = 0

Solving
-63 + -21x = 0

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 + -21x = 0 + 63

Combine like terms: -63 + 63 = 0
0 + -21x = 0 + 63
-21x = 0 + 63

Combine like terms: 0 + 63 = 63
-21x = 63

Divide each side by '-21'.
x = -3

Simplifying
x = -3

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