A.x+3x=380 | B.x+(3x+20)=380 | C.x+20=380 | D.3x+20=380 |
A.5x-3 | B.2x+0.8>4 | C.3x=102 | D.8-3=5 |
A.2x-40+40=50+40 | B.4x-80=100 | C.2x=50+40 | D.2x-30=40 |
A.5 | B.m-a | C.m-a+5 |
A.c-b | B.c-2b | C.c÷2-b |
A.8x=28 | B.28÷8÷2=x | C.8×2+x=28 | D.(8+x)×2=28 |
A.y | B.26 | C.y+26 |
A. |
B. |
C. |
A.a+4=b-4 | B.a-b=4×2 | C.(a+b)÷2=4 |
A.a-6a | B.6a+3-a | C.a-(6a+3) |