The required first step is to use the distributive property on each side to solve the equation. 2x + 9(x – 1) = 8(2x + 2) – 5 . Option bis correct.
An equation is given, it is to be determine the first step to solve the equation 2x + 9( x – 1 ) = 8( 2x + 2 ) – 5.
What is the equation?
The equation is values of two expression that are equal.
2x + 9(x – 1) = 8(2x + 2) – 5
Step 1 ⇒ applying distributive property in order to 9 and 8multiply inside the parenthsis.
2x + 9 *x - 9*1 = 8*2x + 8*2 - 5
2x + 9x - 9 = 16x + 16 -5
Step 2 ⇒ transposition of values with x in left side and constant on right side.
2x + 9x -16x = 16 - 5 + 9
Step 3 ⇒ addition and subtraction
-5x = 20
Step 4 ⇒ divide by -5 on both sides.
x = -4
Thus, The required first step is to use the distributive property on each side to solve the equation. 2x + 9(x – 1) = 8(2x + 2) – 5.
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