R + 21 = -148
R + 21 - 21 = -148 - 21
R = -169
Use the ADD operation and SUBTRACT 21 on both sides of equal sign. Then simplify.
Solve for R. R + 21 = -148
Drag the correct vocabulary words to the correction spot.
Use the -------------- operation and --------------- 21 on both sides of equal sign. Then simplify
A. Reciprocal
B. Inverse
C. Add
D. Subtract
E. Integer
1 answer