B) 3+2 is the expression equivalent
Answer:
0
Step-by-step explanation:
8x + 4 = 3x - 3 +7
u first expand the bracket as I have done above
then u evaluate those who have like terms close like -3 + 7
8x + 4 = 3x + 4
then u group like terms ie. the values with the variable x on one side of the equation and the ones without x on the other side of the equation
8x - 3x = 4 - 4
8x - 3x = 0
5x = 0
then u divide both side by the coefficient of x
0/5 but any number divided by 0 is 0, so x = 0
Think: where did that 4 come from? Hint: the cube root of 64 is 4; the cube of 4 is 64.
Answer:
1. 9
2. 2
Step-by-step explanation: First you would plug in the number for the variable then add or subtract. Instead of x2 + 3, it would be 3* 2 + 3 which is 9
