Question

Determine O Valor Da Incógnita
c) 10+ 5 × 3 = 2x + 3x
e) a - 4 = 20 - 2a - a
f) 26 - 3 = 4b + 3
g) 2 (5- 4a ) = (2 - a ) 10 ​

Answer 1

Resposta:

c)10+5×3=2×+3×

10+15=5×

25=5×

5×=25

×=25÷5

×=5