Question

Ajude-me pffff


Equações de 1° Grau

2x-10+7x+10=180
4(2x-1)+3x=2(4x-1)+(2-x)
4(2x-1)=3(x+2)

Answer 1

$2x-10+7x+10=180 \\9x=180 \\x=20 \\\\4(2x-1)+3x=2(4x-1)+(2-x) \\8x-4+3x=8x-2+2-x \\4x=4 \\x=1 \\\\4(2x-1)=3(x+2) \\8x-4=3x+6 \\5x=10 \\x=2$