9-4(2x+5)=7

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Solution for 9-4(2x+5)=7 equation:


Simplifying
9 + -4(2x + 5) = 7

Reorder the terms:
9 + -4(5 + 2x) = 7
9 + (5 * -4 + 2x * -4) = 7
9 + (-20 + -8x) = 7

Combine like terms: 9 + -20 = -11
-11 + -8x = 7

Solving
-11 + -8x = 7

Solving for variable 'x'.

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

Add '11' to each side of the equation.
-11 + 11 + -8x = 7 + 11

Combine like terms: -11 + 11 = 0
0 + -8x = 7 + 11
-8x = 7 + 11

Combine like terms: 7 + 11 = 18
-8x = 18

Divide each side by '-8'.
x = -2.25

Simplifying
x = -2.25

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