Sagot :
Answer:
1.y=-25
2.x=4
3.a=6
4.x=3
Step-by-step explanation:
y+13=-12
y=-12-13
y=-25
8x-22=10
8x=10+22
8x÷2=32÷2
x=4
2a+7=4a-5
2a-4a=5-7
-2a÷2=-12÷2
a=6
2x+6=4x
2x-4x=-6
-2x÷2=-6÷2
x=3
Answer:
1.y=-25
2.x=4
3.a=6
4.x=3
Step-by-step explanation:
y+13=-12
y=-12-13
y=-25
8x-22=10
8x=10+22
8x÷2=32÷2
x=4
2a+7=4a-5
2a-4a=5-7
-2a÷2=-12÷2
a=6
2x+6=4x
2x-4x=-6
-2x÷2=-6÷2
x=3