1)(40-4x):2=16;
40-4x=16*2;
40-4x=32;
4x=40-32;
4x=8;
x=8:4;
x=2.
2)7*(x+2)=49;
7x+14=49;
7x=49-14;
7x=35;
x=35:7;
x=5.
1)(40-4x):2=16;
40-4x=16*2;
40-4x=32;
4x=40-32;
4x=8;
x=8:4;
x=2.
2)7*(x+2)=49;
7x+14=49;
7x=49-14;
7x=35;
x=35:7;
x=5.