The correct answer is y = 11
because:
2y + 7 = 3y − 4
−y + 7 =−4
Subtract 7 from both sides.
−y + 7 − 7 = − 4 − 7
−y = −11
Divide both sides by -1.
y = 11
It is multiplied by to because the raidouis is double.
It would be 60. He sold his painting for 50 which was 10 less that the original price. So 50+10=60