Algebra
Solve and check. 4(x + 5) = 16
Holt McDougal Larson Pre-Algebra Common Core Edition page 127 number 12
Holt McDougal Larson Pre-Algebra Common Core Edition page 127 number 12
4(x + 5) = 16
4(x) +4(5)=16
4x+20=16
4x+20-20=16-20
4x=-4
4x/4=-4/4
x=-1
Check:
4(x + 5) = 16
4(-1+5)=16
4(4)=16
16=16