Answer:
20= v+9+( -16 )
20= v-( 7 )
27= v
Step-by-step explanation:
Adding a negative is the sane as subtracting. Add like terms. Add 7 to both sides. 27= v
11
Substitute 4 for x
2(4) +3
378+567-142÷5= 916.6
456(325-541)÷32= -3078
Answer:45
