3-(4x+7)=40

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Solution for 3-(4x+7)=40 equation:


Simplifying
3 + -1(4x + 7) = 40

Reorder the terms:
3 + -1(7 + 4x) = 40
3 + (7 * -1 + 4x * -1) = 40
3 + (-7 + -4x) = 40

Combine like terms: 3 + -7 = -4
-4 + -4x = 40

Solving
-4 + -4x = 40

Solving for variable 'x'.

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

Add '4' to each side of the equation.
-4 + 4 + -4x = 40 + 4

Combine like terms: -4 + 4 = 0
0 + -4x = 40 + 4
-4x = 40 + 4

Combine like terms: 40 + 4 = 44
-4x = 44

Divide each side by '-4'.
x = -11

Simplifying
x = -11

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