Question

Determine o valor das variáveis
5m-7-3m-13=0
Y-8+3y=3+2y+7
X=12-3×-2
4t+9=3t+5
Por favor

Answer 1

5m-7-3m-13=0

5m-3m=7+13

2m=20

m=20/2

m=10

Y-8+3y=3+2y+7

y+3y-2y=3+7+8

2y=18

y=18/2

y=9

X=12-3×-2

x+3x=12-2

4x=10

x=10/4

x=2,5

4t+9=3t+5

4t-3t=5-9

1t=-4

t=-4